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When the opportunity for tang or poontang is foreseeable. More commonly used where the moment of opportunity is slim, usually the phrase "the opportunitang of a lifetime!" would be used here.

See also opporpoonity
Dude, Sarah was so drunk at that party last night when you were at home playing Starcraft. There was such opportunitang there and you missed it.

Dude, just got a text, my girlfriend's lost her birth control pills, but she's still protected for the next 12 hours, g2g take this opportunitang while I still can.

Brb - opportunitang.
by iamthesocklord August 19, 2010
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