To have sex with a woman so soon after she fucked someone else that there's still cum inside her. Kinda like sloppy seconds.
You mean to tell me you had sex with Julia Friday afternoon? Awww man - I guess I was stirring the vanilla later that evening.
by Jacaranda May 3, 2007
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When a man has sex with his partner who has very recently had sex with someone else.
Example:

Friend 1: Your wife was cheating on you?
Friend 2: Worse, I found out later that one time she had sex with her boss at work and then came home and we had sex.
Friend 1: Dude! You were stirring vanilla!
by ryeprotagonist October 3, 2013
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