When a man has a penis so large and monsterous that it has it own penis that pops out and penetrates the vagina from inside.

A similar sensation to sitting on the wrong end of a rampant rabbit vibrator.
"I got with this guy last night, he was so big. It felt like I was being fxxxxd inside out...he was such a Traat!"
by What.did.i.just.read September 23, 2015
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