Top Definition
A general exclamation, can be used to convey surprise, delight, pain, or simply to cover up awkward silences in conversation. A socially acceptable version of exclamations such as shit, fuck, wow, crikey, pants. Demonstrates a level of coolness unknown to most mortals.
Person 1:(can't think of anything to say)...that was Pants?
Person 2:(thinks)What a loser.
Person A:(can't think of anything to say)... 'Yaising!'
Person 2:(thinks) Wow, he's cool.

by Mason Massive October 15, 2006

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