It is anything that is useless and non-sense. It could be someone who is non-sense or not worth dealing with or listening to. Taken from the word garbage.
His ideas are garbagic.
Don't entertain garbagic thoughts.
Avoid garbagic people for nothing can be learned from them.
by hardpen October 10, 2010
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Garbage is a word that refers to something that is shitty or sucks a lot of ass.

Also see: rap
Set "Man, that new 50 cent album is garbage."
by Set Abominae March 15, 2007
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referring to the quality of something, e.g. food, sex, how you feel
Your mother is garbage, in bed.
I feel like garbage, I'm going to go throw up.
by Stan46998 July 8, 2006
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a rock band formed in 1994 fronted by singer Shirley Manson that has yielded such hits as "Only Happy When It Rains," "Stupid Girl," "I Think I'm Paranoid," "Special," "The World Is Not Enough," as well as others.
I saw Garbage perform live in Long Beach with No Doubt back in November of 2002.
by Steve Lev September 16, 2005
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