a person of incredibly low self esteem and absolutely no morals who will allow sexual intercourse to be performed upon them for chump change, usually in the washroom at a public park or perhaps in a bar
"melissa is such a fuckbuck, she took it in every orifice at least ten times last night for two dollar fity fi and some chewing gum"
by metro anthony November 01, 2005
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I'm going to make fuckbuck one day.

I got paid fuckbuck yesterday!

That guy has fuckbuck!
by AlotLikePaul October 19, 2010
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