this is an activity where someone takes a bath and farts in the tub to make little fart bubbles. now the creative part. the person performing this activity tries to bite the fart bubbles before they pop.

a man who smells women bicycle seats.

Derived from the words fap and hump. Means to masturbate by humping an inanimate object, such as a pillow, while fully clothed, cumming in your underwear

When you sit on the toilet and you think your going to take a normal dump, but then you EXPLODE and you fart and take a huge dump at the same time.

FUMP (fump) n. <fumpy, fumps>, adj. <fumpishly>

1. Fucked Up Magee Person. Challenged individual who casts a social a plague upon the community.
2. A person who engages in an activity without talent or skill.
3. A person who has failed significantly at something.
4. Something or someone that disappoints.
5. A sexually immoral predator or sex addict.

(fumpish, fumpy)

When a man gets a sex change and has his penis turned inside out, But later after the surgery he gets and erection and if shoots back out into a penis again.

To fart and jump at the same time.