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When you are getting a really good blow job, cum in her mouth, then pull your dick out super fast, grab her by the hair, turn her around and let a huge wet festering fart into her mouth.
Ex 1. Last night I was in the club bathroom doing cocaine and I Hershey Blew this bitch so hard she had shit coming out her nose.

Ex 2. "What happened to you?"
"I wouldn't stop being offended at the PTA meeting so my husband Hershey Blew me later."

Hershey Blow: To let a wet fart into ones mouth after cumming in it.
by Eli1117 March 25, 2020
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