Fun

Fun is an abbreviation for Fuck Up Now, which is a slang term for a one night stand.

"Yeah man, I Fun, how about you?"

by A Pink Cunt June 14, 2018

Fun

Sex

Fun is basically Netflix and Chill.

by Ceviche Rios May 21, 2019

Fun

Fun is an acronym for frequent undisturbed naughtiness

My Friend lives about forty miles from Dublin, near the Curragh in Co. Kildare. She sent me an email asking me to arrange to see her. She suggested we have coffee, have some fun and see the absurdity of the world.

by St Ias December 28, 2005

Fun

Fantastically, unbelievably, NAUGHTY!

Kelly Jones is the definition of the word FUN. Seriously...look it up!

by ninjaleprechaun June 19, 2010

Fun

The act of beating your children into a coma with a tire iron.

I'm bored. Children get over here! I need to have fun.

by The King of my POOPY April 19, 2013

Fun

Fun Is Sex.
Also see: dildo, orgasm and sexual orientation

James found sex fun when he finally experienced it

by PretzelMe September 7, 2008

Fun

refers to a type of sexual activity in which the giver uses their hands or fingers to create pleasure. i.e.:hand job/fingering

We had so much Fun last night.

by occhick4477 December 27, 2008