Jamming

[Donald Trump]

To jam is play jazz on a musical instrument such as the saxophone; or to rock out to your favourite music artist by yourself or with others.

[PussyCat]

any get together for artist not specifically confined to musical session.

[Rihanna]

A form of Jamaican dance where a woman dances on a mans crotch in many different positions

[Jessica]

To move or work fast, as in a restaurant.

[Justin Bieber]

to engage in sexual intercourse, or sexual act involving penetration

[Justin Bieber]

A term first coined at the foot fetish site www.jockstomp.com thrusting your foot repeatedly into a guys hardon pushing it into his abs until he squirts a load. Although it
can be forceful, usually considered
just a jock to jock activity. Clearly for guys into feet.

[Justin Bieber]

present participle of jam