FUN is an acronym for frivolous unburdened nookie
My girlfriend and I decided we would buy all the food and drink required to see us through to Monday on Friday. Once we had done all the shopping we would head straight home, unpack the shopping and put it away. We would then take the phone off the hook, switch off our mobiles and have fun all weekend until the time came to get upto get ready to go to work on Monday morning.
by St. Ias November 8, 2005
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I fun all the time.

He was funning in the street.

We funned at the park yesterday.

He had funned, but he never funs anymore, now that he has entered graduate school.

The funning homeless man was arrested for indecent exposure.

Do not fun. Funning is strictly prohibited.

He funned the computer game.
by Aaron UofM February 20, 2008
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fun is equall to sex
wther lesbian or gay or straight, fucking =fun
mmmmm this is fun mabye next time we shoudl invite my little brother along
by hardcorecliche October 11, 2006
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Used to describe a friend who is unattractive and/or fat when asked whether he/she is hot or not.
Sally: Sorry, I already have a boyfriend. My friend Rachel is single though.

Bill: Is she hot?

Sally: She's... fun.
by Dranzz April 20, 2011
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His parents were away so I slept round his house. It was just us. We watched a film, lit some candles, undressed, and had some good sex. I bent over and he shoved his massive 12 inch cock up the rear. He then pushed me onto the bed and started sucking my tits. I rolled him over, he lay on his back, fully hard and I bounced up and down on his dick. I cummed all over his chest and licked it all up I love this guy. He's a fuckin beast when it comes to sex. I also sucked his cock for three hours straight, during which he cummed into my mouth 46 times, boy I'm good at this blow job shit. After giving him a joyful and playful tit wank, we wrestled naked and then his dick "accidentally" slipped into my vagina and we had more fun fucking.
by i_am_cool98 April 18, 2011
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