Top Definition
When a guy is receiving oral sex and the girl swallows after he cums. Combination of throat + pregnant. "Thregnancy" can also be used.
"I hooked up with Jenny last night. I totally got her thregnant."

Hey, Carol, I heard you hooked up with Jared last week. How's your thregnancy coming along?
by Young Monty January 30, 2011
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