The act of placing your cold testicles into a womans warm vagina, and letting them toast to a desireable temperature. For the ultimate effect, a woman can queef the balls out of her snatch, giving the man the ultimate finish.
\\\"Yo I gave Catelyn the incubator last night. It was so warm in there.\\\"
\\\"Really, did she thaw your balls out\\\"
\\\" Yea! They were toasted. Plus she queefed them out!!!\\\"