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when you're so hammered drunk you cannot pronounce hammered, you are said to be "hampstered"
Bill stumbles in the room...

"Are you alright Bill?"

"Dude I'm hampstered."

Bill passes out.
by oOoAprilLeeoOo February 26, 2009
I got so Hampstered last night.
by Nell Lingo April 06, 2009