a common response for whenever someone announces that they are going to do something totally normal, boring, or routine.
Person 1: I'm going to the bathroom.
Person 2: Have fun!

Person 1: I'm going to pick up some milk at the grocery store.
Person 2: Have fun.
by Katinthehat February 21, 2008
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A person is jealous that they won't see you at a place or where you're going
Me : I'm going to Niagara Falls

The other person : oh have fun~
by The world of persons June 25, 2017
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Welcome to Team Fortress 2. After nine years in development, hopefully it will have been worth the wait. To listen to a commentary node, put your crosshair over the floating commentary symbol and press your primary fire. To stop a commentary node, put your crosshair over the rotating node and press your primary fire again. Some commentary nodes may take control of the game in order to show something to you. In these cases, simply press your primary fire again to stop the commentary. In addition, your secondary fire will cycle you through all the commentary nodes in the level. Please let me know what you think after you have had a chance to play. I can be reached at gaben@valvesoftware.com, and my favorite class is the Spy. Thanks, and have fun!
by GabeN Ewell January 20, 2021
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if you have a friend, and they do or have to go to something that you arent interested in.. you say "you have fun with that"
Matt: Damn, guess what.
Miles: Whats up?
Matt: I have to go to Chemistry Class for Summer School again.
Miles: you have fun with that matt.
by MilesInferno April 16, 2008
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subtle way to say "fuck you"

from

http://www.youtube.com/watch?v=bBh-42MLINg
by Logan & Brandon January 15, 2009
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When children HAVE FUN and do FUN ADULT STUFF
DARRIN:Have Fun CHILDREN
Everyone:SURE BYE I AM GONNA HAVE FUN WITH MY GF
by Ultimate bj man January 14, 2019
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Usually means 'good night', used when dismissing friends at a social gathering.
"Have fun in bed", I said to my mom, as she retired for the night.
by Ryan March 22, 2004
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