Top Definition
a guy's thong
"yo man, you got some kinda underwear that'll cradle my dick?"
"sure thing, all you need is a dong thong! :D"
by cap'nkayjo July 10, 2008
An erection of such magnitude in which the undergarment is drawn into the crack of the buttocks resulting in a massive wedgie.
That tasty babe gave me a raging dong thong.
by Boomsuckit May 11, 2013

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