Urban Dictionary: Sing Ass

When you fart and clench your ass cheeks it makes a whistling sound

I did a sing ass and my family thought I was whistling

by J0$HÜÅ November 14, 2016

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Refers to a singer who has a flat voice or regularly wanders off key.

Guy 1: Let's go to The Station tonight.
Guy 2: Oh man. I can't take that band that plays over there. That little short dude's gonna be singing his ass off and I'll be cringing all night long.

by exitflagger May 06, 2008

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Sing Ass

When you fart and shit at the same time.

Yo my dude, I just did a sing ass in the bathroom.

by questionman2468 November 03, 2016

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