When two lesbians are going at it and the both stop before climax and leave with out talking to each other ever again
Dude did you hear about the two lesbians that did a dirty cathy!
by Opey22366 May 21, 2019
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A blow job that turns into anal sex because the girl doesn't want to get pregnant, again.
That girl last night gave me a dirty cathi
by TheRealMJFeedMe October 11, 2019
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