1.being really fresh, cool, or noticable in a popular or in attractive clothing.
2.well known and respected.
2.well known and respected.
by Universal The Untouchable February 19, 2008

Some couple have abc sex - anniversary, birthday, christmas. After that comes DEF sex - don't ever f*ck.
by Hurricane5 October 15, 2015

short for definition whore.
1. someone engaged in definition whoring
2. someone who logs on to UD to write a retarded definition about their girlfriend/boyfriend, cat, character in a videogame, etc. that wastes the editors time and delays the approval of more worthy definitons.
1. someone engaged in definition whoring
2. someone who logs on to UD to write a retarded definition about their girlfriend/boyfriend, cat, character in a videogame, etc. that wastes the editors time and delays the approval of more worthy definitons.
shut up you goddamned def whores. no one cares about the retarded antics of your level 60 paladin and "his amazing ability to heal people"
by commustar December 31, 2008

it stands for definitely
by Charles yeah yeah yeah July 31, 2008

The act of having a threesome with a mother and daughter (of legal age, of course). Named for the rock band, Def Leppard, who were rumored to have bedded more than one mother/daughter duo during their heyday.
by JETFLIP May 17, 2014

someone whos defence level is to high example angelpwner/mac person 1 says "yo angelpwner blows" person 2 says "ya hes a deffy" the word def noob is from the latin orgin
by Twink lover3 June 27, 2008

by bt June 30, 2005
