Top Definition
When you're fucking a girl doggy style and about to cum you pull out and jizz on your hand while spitting on the girls back. When she turns around thinking you jizzed on her back you belt her with the cum-hand.
1) I was in westchester and she a hoe so she got a port chester slam.

2) Guy A) Did you hear that sound?
Guy B) Yeah Mike Portchester slammed Grace, you could hear it for miles!
#jizz #philly fake out #portchester #butt fuck #jamba juice
by Chris DP3 October 10, 2010
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