2 definitions by sixshooter

Having sex once with someone you meet at a running event or race.
I met this chick yesterday at the race and after chowing down some free food, I had a one-run stand.
by sixshooter April 6, 2010
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Getting interrupted by your dog while being engaged in a sexual act with your partner.
Joe: "What happened last night with Mary? I thought you guys were hitting it off?"
Fred: "Yeah, the dog came in and well... canis interruptus."
by sixshooter August 23, 2010
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