Manual stimulation of the penis of vagina to produce a stimulation simular to actual penetration by a member of the opposite sex.

It's something most of us have been caught doing, never admit to doing, and know full well that everyone else does.

The act of stimulating ones own sex organs. Regarded as "empowering" when done by a woman; regarded as "gross" when done by a man.

a normal way of relieving horniness. it actually is healthy and its better than going aroung getting pregnant lyk a hoe.

a simple form of "stress-release"

Manual stimulation of one's own genitals for pleasure, usually but not always to the point of orgasm. While views on the subject differ greatly among various groups, it is generally viewed as an activity whose primary purpose and effect is self-gratification; hence the term (or its synonyms, particularly 'wanking') is commonly used as a pejorative metaphor for other activities that are viewed by the speaker as accomplishing nothing besides self-gratification, such as self-aggrandizing internet trolling or focusing one's study on certain poorly defined subjects or doctrines, particularly in the Humanities.

The act of pleasuring yourself. Self-sex, its like training for actual sex.Jacking off.

For a man stroking, rubbing, or even slapping the erect penis, for a women, rubbing the vagina with the two front fingers, or even lodging a penis shaped item such as a dildo in it.

There are terms such as;

Buff the Bananna
Spank the Frank
Stroke the one-eyed snake
beat the meat
Hold your sausage hostage
choke the chicken
Rub the Robin
Box the cock
Invade your pants with a five fingered army
Crank the Shank
Crown the King
Fondle the Fig
Jerk the Gerk
Tug the Tiger
Hand to Gland Combat.

As for women;

Vagina Dj
Taco Handshake
Play the Clitar
shuck the oyster
pressing the escape button
Tapping the keg
cleaning your fingers
the two finger tengo
ect

sexual stimulation of especially one's own genital organs by bodily contact apart from sexual intercourse and usually by use of the hand