1 definition by lewaazz

penis slang somewhat aside, "tubesteak" can also means someone who is, or is behaving like, a dumbass or an asshole or both.

pretty much always said of guys, not of women. can be used either out of real irritation and anger with someone or in a joking manner among friends.

this meaning likely derives, in part, from the bodily slang of the above definitions (i.e. being a dick), but also from something a bit less vulgar...namely, referring to someone as a tubesteak is similar to calling him a meat popsicle, or a human, tube shaped, brainless column of meat.
dood, Joe was such a fucking tubesteak on saturday when his drunk ass dropped that whole case of beer on my rug.

or

are you serious? she's hooking up with that tubesteak fratfuck from alpha alpha alpha?!
by lewaazz November 7, 2005
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