When you twerk the nipple so long that your thumb gets tired.
You better slow down baby, or you’re going to get gamer thumb.
The cramp on the palm of the hand at the inner base of the thumb caused from manually grinding weed. A weed writers cramp.
Damn son, this is like my third blunt I rolled in a row. Now I got blunt thumb.
A sex move where you repeatedly poke your thumb in a girl's bunghole, The same way you would press the throttle to rev a four-wheeler.
My girl loves the thumb throttle when I'm doing her doggy style! VROOM VROOM!
A Thumb Bump is a fist bump with a thumbs up to finish it off. Originated on classic TV show Thunder in Paradise. Randolph "Hurricane" Spencer and Martin "Bru-dog" Brubaker would do a Thump Bump to celebrate a job well done.
After rescuing the hostages Bru-Dog and Hurricane celebrate with a heartfelt Thumb Bump.
When you’re higher than giraffe balls and your thumbs stop working.
Urban Dictionary people: this submission took me like 8 minutes to type because my edible gave me weed thumbs and I’m higher than giraffe balls and I hate spelling mistakes
A brief expression of approval often used in sports between team mates or when someone is a clingy person and you want to exit the dcene.
Great pass Jeff *two thumbs up*
That was a lovely cup of tea Mrs Anesbury but I have to go now *two thumbs up*