1 definition by FrozenSlumber
When a female rides a males hand/arm with enthusiastic vigor, and without remorse. Seldom does the person receiving the jamout participate or even enjoy it.
Mik: Hey Tom does your woman ever Jamm-out?
Tom: Yeah, in fact last night I was rudely awakened by her treating herself to a Jamm-out session on my damn arm.
Tom: Yeah, in fact last night I was rudely awakened by her treating herself to a Jamm-out session on my damn arm.
by FrozenSlumber May 23, 2022