Canadian Microwave
When one shoves a handwarmer (or handwarmers) into their partners anus.
“My anus is cold” “I’ll give u the ol’ Canadian Microwave”
Canadian microwave
A sexual where one partner is laying face down on the floor, or a bed, and the other repeatedly stuffs the partners anus with electric hand warmers, until no more can fit.
Hey Roger, I was thinking we could do the Canadian microwave tonight.