masterbation, fucking oneself, fingering, sex, jacking off.. etc.
"boy: what are you doing right now?
girl: oh i'm having funnnn"
by i hate hilary duff November 07, 2004

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
Top Definition
another word for drunk.
I'm totally havingfun.
by veryCorrectDefinition March 22, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
When a gay man and a lesbian woman have intercourse, discovering they hate the opposite gender.
They're having fun.
by Zamy Robert June 20, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug