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1. BSTH
bitch-slap that hoe.
Rachel and Breanna didn't like Cindy's snooty attitude, they agreed right then and there they needed to BSTH.
2. BSTH
Bud Spencer & Terence Hill

the abbreviation refers to their movies as an epithet.
i'm going to watch this BSTH movie right now. it's called 'crimebusters', they say it's great.
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