1 definition by its_memike

1

the lather that forms on a horses ass when you ride it hard in hot weather.

The barista at Starbucks used ass foam for froth on all of her non-tipping customer's coffees.

by its_memike February 26, 2009

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Get the ass foam neck gaiter and mug.

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request