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Estimated Time of Passing Out. Often referenced to during social drinking events, or pre-gaming drinking festivities.
Clyde: Man this beer tastes great, I'll probably drink a million of these tonight.
Rusty: Hey take it easy man, your ETPO is gonna be like midnight, you know if you pass out too early we're gonna smoke all your shitty ass weed with out you.
by Wa11sagna April 22, 2010
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Jun 4 Word of the Day
The phenomenon of having to come out as bisexual to the same person/people repeatedly because they assumed or hoped that your sexuality was a "phase." Refers less to the holiday and more to the 1993 Bill Murray comedy film in which the main character experiences the same day over and over.
"My visit home turned into Bisexual Groundhog Day. My mom acted shocked when I told her I'm going to Pride next week, so I had to come out to her as bisexual AGAIN."
by Tiggy Upland April 15, 2014
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