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."
In a sexual way. Opposite of NIASW (not in a sexual way)
Person 1: I love him.
Person 2: IASW?
Person 1: No, NIASW.