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1.
When a guy has herpes, the clap, chlamydia (or another "burning STD"), or any combination of std's, and sleeps with a girl, the morning after (or shortly after) she will have a burning situation in her nethers. This is known as a "burns donut."
(Next morning after doin tha nasty)
Glen: "Morning babe, want a burns donut?"

Martha: "What's a burns donut?"

Glen: "I have herpes. Burns, don't it?"
by testicles... that is all October 29, 2009