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2 definitions by Scratch_Nasty

 
1.
Using your thumb to help pleasure a woman cause you can't get it up.
Mart had to much to drink and couldn’t get aroused. So he didn’t disappoint the lady he used his thumb to help get it up there (thumbing it in).

"Like trying to push a Marshmallow into a piggy bank."

"You’ve got it!"
by scratch_nasty October 12, 2011
 
2.
A woman using her vaginal juice to 'butter' something.
Matt: When the waitress comes over I'll just hold out my bread roll and say Butter That
by Scratch_Nasty May 22, 2011