bump (one's) gums
bump (one's) gums
slang Speaking foolishly or nonsensically. I don't even pay attention to him when he starts bumping his gums about petty nonsense like that.
See also: bump, gum
Farlex Dictionary of Idioms.
- talk through the back of (one's) head
- talk through the back of your head
- talk out of the back of (one's) head
- flap (one's) gums
- flap gums
- flap your gums
- bump that
- Bump that!
- like a bump on a log
- Let’s bump this place!