1 definition by MC slimjim

1. when one is so swagged out that a slight convulsing of the head occurs. normally in a tilted back fashion accompanied by mild, swaggy mumbling.

2. when ones swagger level reaches an uncontainable point, inducing a full body seizure. usually in the form of doo-doo dumb giggin'.
Joe was cupcakin' so hard that he AND the boopie had a swag seizure!

you should have seen spence last night man. he was giggin so hard he had a swag seizure.
by MC slimjim October 19, 2011
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