To insert one's finger into a girls vagina.
I am so going to stick finger her tonight!

Can I stick finger you?
by Tizzy October 25, 2005
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A lady who’s fingers smell like fish sticks because she’s a lesbian who plays to much
Oo joses girl is a fish stick finger lady
by Fish stick finger lady October 15, 2018
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When having sex with your partner, and randomly slipping your finger into their asshole while still fucking
1. Hey, me and my gf tried to stick a finger in it last night
2. Ew thats disgusting
1. I know but she thought it was really hot
by Mild Milf man June 20, 2022
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