Top Definition
A super-sonic wedgie; that is - a very abrupt and uncomfortable wedgie.
Brian walked up to Donna in the hallway and yelled "SONIC WEDGIE!" as he yanked her underwear up so hard and fast that it caused a painful wedgie. It was very embarrassing for Donna, but hilarious to everyone else.
by threeunderthree December 20, 2009
5 Words related to Sonic Wedgie

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