Illiterate slang for "so much fun". Use this and people will think you're 10 years old.
That Hannah Montana concert was so fun!
by GR8BigCheese June 15, 2008
Get a so fun mug for your Facebook friend José.
When you are just laughing with friends and one of them say “we are having so much fun right now” even tho your not really.
by HAIMBOBSISTAR March 22, 2021
Get a Having so much fun right now mug for your coworker Günter.