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the act of placing a turkey baster in one's anus and farting into in, capturing the fart, and then shooting the fart in someone else's nostrils. It is a combination of the words shit and Baster.
Tommy is giving everybody around here the shaster
by Jorge shastermaster February 18, 2008
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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