usually used to describe a person who's done something stupid, or who IS being/acting stupid. see also retard
person 1: i burnt my house down today when i left the cooker on and went to watch porn next door.
person 2: you GIMMEH!
by Indigo*Hippie January 25, 2005
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The amount of money that the Loch Ness monster needs.

Made famous by the hit tv show South Park, wherein Chef's parents recalled the time they visited Scotland. Whereupon the Loch Ness monster rose outta the lake and said "gimmeh tree fiddeh"
*Loch Ness monster rises from the water*
Nessie: Hey, man, gimmeh tree fiddeh.
Man: I ain't got no tree fiddeh.
Nessie: C'mon, man, all i need's tree fiddeh.
Man: Listen, dammit, I ain't got no damn tree fiddeh.
by Gimmeh_tree_fiddeh October 11, 2009
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