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When a person, typically a female, wears their thong backwards, creating a wedgie in their cooch. Most commonly found on the most ratchet females around. Always spelled with two G's.
"Dude did you hear about Becky?"
"What happened?"
"Her thonggina was so deep she had to go to the hospital."
"Classic Becky..."
by Earl O. Lemongrab October 10, 2012
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