Top Definition
Great + Breasts = GREASTS
You have greasts.
by Sammy Ferguson May 04, 2004
1 more definition
To get inebriated from caffeine, to the point that you start experiencing physical effects. Typically borders on overdose, like any good inebriation.
I got greast after that venti americano last night, and punched some guy in the face!
by bananaman2000 June 24, 2010

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