once you are done fucking a girl,you feel like dumping her and you do it for a new one .

Hashtag abbreviation of "Fuck You, Mr. President."

All of the past definitions are false. There is only one true definition for "Fump" It is a word made up by a child a few months ago and it's defenition is a goblin-like creature with a large head and green skin. The word fump can be used as a verb (to fump) a noun (a fump) an adverb (fumpily) and a adjective (fumpy).

The act of bumping fists.

Fump is the feeling of the sound of water as it splashes in the liver while jogging.

The alternate version of Forrest Gump starring Al Gore.

Any long stick or pole that can be used to poke and/or prod someone repeatedly. After poking someone, the holder of the Fump Rod must shout "Fump Rod!" loudly and with pride. Often leads to irritation and anger by the person being poked.