To blow into the rectum of ones partner, generally done for pleasure.
She moaned in ecstacy when I bent her over and gave her a zerber.
by Cliff Burton December 08, 2006
1 more definition
Top Definition
The act of putting your mouth on someones stomach and blowing, making a fart-like air noise.
"I was sleeping, and all of a sudden I was awakened by some homeless man giving me a zerber."

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