Thumb Plumb

A thumb plumb is when there is a lump of shit left on the thumb after thumbing an arse.

Holy shit, you should have seen the size of the thumb plumb she left.

by Biggaybear April 2, 2013

Sweet Thumb

Like a green thumb, but for baking. Also anything involving sugar.

Have you tried Karen's desserts? She has a sweet thumb.

by Jynjer March 28, 2017

Fortnite thumb

Someone who plays Fortnite enough to duck up there thumb.

Dawg that’s some crazy fortnite thumb you have.

by Thatdude43 April 29, 2025