ac·ro·nym (kr-nm)
n.

A word formed from the initial letters of a name, such as WAC for Women's Army Corps, or by combining initial letters or parts of a series of words, such as radar for radio detecting and ranging.

• TW - TennisWorld
• KAD - Kool-Aid Drinker; a devoted fan
• AOOSBBAS - All Out-of-Shape Beer Belly All-Stars; example: Nalbandian
• TMTG - The Mighty Tennis God; Roger Federer
• TMF - The Mighty Fed; Roger Federer
• TLBTQ - The Little Backhand That Quit; Justine Henin
• USTABJKNTC - United States Tennis Association Billie Jean King National Tennis Center
• UAHAS - Unisex All-Headcase All-Stars; example: Marat Safin
• GE - Gringo Especiale; tequila with the juice of one lime, shaken over ice
• DBR - Dirty Boy Rafa; Rafael Nadal
• TAMR - The Also Mighty Rafa; Rafael Nadal
• RNKAS - Rafael Nadal Knee Appreciation Society
• WRT - With Regards To
• OT - Off Topic; anything not related to tennis
• TWBTN - TennisWorld By The Numbers; Andrew the sexy statistician's Pet Analysis Project
• RFTAS - Roger Federer Tummy Appreciation Society
• WMB - Warrior Moment Badge. Can only be legitimately given out by TW poster Lucy, in recognition of any achievement whatsoever that she deems deserving of recognition
• AWMB - Anti-Warrior Moment Badge. Can only be legitimately given out by TW poster Ray Stonada, in recognition of any failure of courage he deems notable enough to dishonour.
• TWBARFs - Those Who Worship Before the Altar of Roger Federer; see this blog.

nick·name (nknm)
n.

1. A descriptive name added to or replacing the actual name of a person, place, or thing.
2. A familiar or shortened form of a proper name.

• Jet Boy - Rafael Nadal
• Raj/Rajah - Roger Federer
• Vertidjoko/The Djoker - Novak Djokovic
• The Cap'n - Marat Safin; see UAHAS
• Dirt Boy - Rafael Nadal
• Champagne Kimmy - Kim Clijsters
• Shrieky/Shriekapova - Maria Sharapova
• JH - Justine Henin (The Artist formerly known as JHH or Justine Henin-Hardenne)
• Kolya The Obscure - Nikolay Davydenko
• Disco Tommy (aka Disco Jack) - Tommy Robredo
• Chilly Willy/Ice Cold Willy/The Great Wall of Cañas - Guillermo Cañas
• F-Lo/Flo - Feliciano Lopez
• Nanner - Rafael Nadal
• Reeshard - Richard Gasquet
• Wilanders - A polite TW euphemism for the more vulgar "balls," as the noun is used to define courage and aggression. Derived from Mats Wilander's famous comments about Roger Federer's relatively passive approach to the 2006 French Open final vs. Rafael Nadal.
• The Rear Admirables - Rafael Nadal's derrière
• flove - a rare and special form of TW love (other usages: flovefest, flovable)
• Tire Boy/Fancy Dancy - Frank Dancevic
• Chaka/Chaka Khan/Chaki - Anna Chakvetadze
• Le coquette/c-word - Richard Gasquet
• Dorothy - Novak Djokovic (derived from the red shoes worn in Shanghai 2007)
• Carlitos - Carlos Moyà
• Baby Cassius - Jo-Wilfried Tsonga
• Baggy/Bagman/Bcup - Marcos Baghdatis
• Hott - in TW, attractive players often aren't merely hot, but Hott
  
• Hott Sauce - Fernando Verdasco
• Charlize / Birdman / Big Bird / Krazee Eyez - Tomas Berdych
• K2O - Nikolay Davydenko
• JJ - Jelena Jankovic
• The Lone Knight of the Apocalyse - Jarkko Nieminen
• Bambi - Gael Monfils
• Where The Wild Things Are / Juanaco - Juan Monaco
• Ankles - Ana Ivanovic
• Ski Boots / Caro - Caroline Wozniacki
• Gaudifaux - Diego Hartfield
• Not So Fat Dave/NSFD - David Nalbandian
• bally pising - Stefan Koubek
• Baby Punter / The Sod - Robin Söderling
• Dr Ivo/Divo - Ivo Karlovic
• Tintin / PEHK - Philipp Eberhard Hermann Kohlschreiber
• Gervasio - Gervasio Esteban David Ezequiel Nalbandian
• Crazy Elf - Juan Martin Del Potro
• Miss Glitter / Hott Mess - Jelena Jankovic
• Masha - Maria Sharapova
• Vika - Victoria Azarenka
  
• Honey Badger / Ferru - David Ferrer
• MAndy and RAndy - Andy Murray and Andy Roddick
• Hairfiasco - Fernando Verdasco
• Special Kei - Kei Nishikori
• The Worm - Radek Stepanek