Top definition
In a sexual way. Opposite of NIASW (not in a sexual way)
Person 1: I love him.
Person 2: IASW?
Person 1: No, NIASW.
by Reggie J July 14, 2008
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2
Stands for "In A Sexual Way?"
"I was walking with my friend-"
"IASW?"
"Of course!"
by EllaMcD September 18, 2007
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3
The shortened version of 'it's a small world', usually used while talking on a Disney chat site.
"It's such a shame that IASW is closed til next year. There goes every great no-cameras before-closing makeuout opportunity til it reopens."
by PrettyMissBHP November 07, 2007
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