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.
A play on the term “opposable thumbs,” essentially implying that humans can dispose of their thumbs.
Humans are some of the only animals that have disposable thumbs.
The act of ducking your thumb down just as you're about to shake someone's hand. If done properly, your hand will slide past theirs, and they'll be left awkwardly grabbing your wrist, looking very confused.
Did you see that? I just thumb ducked the crap out of that chump.
A mid to late 30s white male with a receding hairline, and to top it off a head shaped like a thumb.
Wow look at that bloke, he looks like a dusty thumb!
When you jerk off over your pants using just your thumb. This is commonly used by those who have an inability to release sperm.
When I was sleeping with my parents in third grade, I used the thumb method so I could get off without them knowing.
Rhyming Slang
Like up ya nose with a rubber hose
Hey Suzie up ya bum with a rubber thumb
Thumb wrench
An whimsical term for crescent wrench
Me.."Vlad, can you hand me that thumb wrench?"
Vlad.."girly, I dont know what your talking about. "
Me.."Look hater, it's a thumb wrench cause you use your thumb to operate. You know God damn good and well what I'm talking about."