when you still suck your thumb at an old age such as 5-11
me: I suck my thumb. Them: oh so u have a thumb sucking at an old age me: yes
When you are putting a hold on proceeding with plans because you are having to wait on someone to catch up (i.e. Holding down the elevator door open button for the slower movers of the group).
Jordan: Why are you so late?
Jim: Sorry, I had to thumb the knob for Beth cause she needed to finish her show.
An occurrence when a "friend" or coworker asks for a free ride home.
Person 1: So, what part of town are you headed?
Person 2: I am going to the downtown area.
Person 1: I live near there! Do you mind giving me a ride home?
Person 2: No. I know you ask other employees the same favor. Quit being a thumb bum!
When you surprise someone by ramming your thumb up there chocolate star fish and then say nice to meet you 😋
That's a nice arse I can't wait to thumb bum it
A prison in Michigan where assholes whose names are Nick reside
Person1:Hey you know Nick?
Person2:Yeah! He smokes crack and I had sex with him and I'm only 14! and he's 19!!
Person1: that one sick pedophile bastard! he belong in da thumb correctional facility yo!
When you stick both your thumbs in someone's bum Prying and gaping it then sticking your tongue in
Dude! I got the best two thumbs tongue bum last night.