Someone who get's in real close, in conversation, or affiliation with, (usually at a party) that asks you for a sip, and takes over your beer as theirs.
"Hey can I get a sip of your beer?"
"I guess so"
"Thanks"
...
"Dude where'd my beer go?"
"Beer Vampire..."
"I guess so"
"Thanks"
...
"Dude where'd my beer go?"
"Beer Vampire..."
by SnookiezInc April 12, 2009
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