1 definition by Sean Benson

Text and messaging speak for the phrase "for sure". The ~ (tilde) represents a wave coming into the shore.
This was adapted from a hand gesture where one would put 4 fingers up and then mime a wave with that arm coming in to meet the shore, which is the other arm.
Jim: coming tonight?
Fred: 4~
by Sean Benson May 15, 2007
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