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1.
A homosexual who is indiscernibly gay. Because avacados are fruits, but do not look or taste much like fruits, the term is applied to gay people who do not fit the "Will & Grace" stereotypes.
A bad dresser and NFL fanatic, you would never guess that Jacob was an avacado.
by omouallem January 16, 2007
 
2.
Avacado; meaning cool or awesome.

can be used directly speaking or indirectly about something that is amazing.
omagee; Erin's outfit is so avacado.
by bruntanng November 19, 2005
 
3.
An interjection when two people are talking that helps the non-speaker (person B) remember something they want to say while the speaker (person A) is talking. When person A is done speaking they say "avacado", thus reminding person B that they had something to say.
Person A: "....so the other night we were watching American Idol and Ellen was so..."

Person B: <interjects> "avacado"

Person A: "...good at judging I mean she was like part Simon, part Paula. Avacado."

Person B: The other day I meant to tell you we went to see that movie we were talking about.
by pghjenn February 09, 2010
 
4.
Someone or when someone gets immediate twitches and spasms when Asian cuisine is not in that someone's body for a period of 2 hours or more.
"Oh no hes going Avacado on us."

" Im such an Avacado."
by Kiyo March 16, 2005