thromp
The middle ground between "thrash" and "pump." Euphemism for hard core sex.
Man, I'd like to thrump that ass.
Thromping
When a penis and testicles ends up flapping or moving around becoming visible to bystanders. Often happens when a person jumps or moves erratically. This can happen when a person is naked or clothed.
There was thromping in that man's pants while he was dancing.