The act of touching oneself in private places to
excite in an effort to achieve climax, or to orgasm. The act is
completed when one achieves their orgasm.
Also known as the action of masturbating.
It can be used to describe the process
concerning either gender.
Example 1:
Jill: Ew did Tim just bump
one off in your bathroom?
Beth: Yeah I think he did -
don't go in there.
Example 2:
Guy outside bathroom: Are you done in there? I need to
use the bathroom.
Guy in bathroom: Leave me alone, I'm bumping one off!