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to look at something obsessively and repeatedly in order to see if its status as changed, or to check constantly on something to try to make its status change.
from the practice of hitting the F5 key repeatedly to refresh a messageboard thread while waiting for somebody to post.
"dude, that girl who works at Pink Pony was totally F5ing our table at Veselka last night."

"I f5'ed the fuck out of that relationship, but by the fourth breakup, I was over it."

"I totally F5 the locks on my house since I got robbed."

"she kept f5'ing her look but she still looked like a wombat"

"i was so stoned and hungry i F5'd my refrigerator like 10 times before i finally broke down and ordered chinese."
by feedmewithyourkids December 29, 2003
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A slang term for the Refresh button on a web browser. Almost, if not every web browser ever produced has made F5 as the hotkey for "refresh".
A young 12-year old vandalizes the George W. Bush on Wikipedia. Just to see how long his work stays before reversion, he keeps F5'ing hoping that each time he hits it the article won't be reverted.
by Nick Weiner April 20, 2008
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A sexual act involving spinning around destructively while ejaculating. When having sex at a girlfriend's place, one pulls out of her right before climaxing. One then proceeds to outstretch their arms and spin around violently and erratically in circles, smashing into things and knocking them over while simultaneously ejaculating all over.
Kelly - "Whoa, what happened to your room, Jill? Everything is smashed on the floor and covered in come!?"

Jill - "My boyfriend found out I was cheating on him and hit me with an F5. :("

by xm4321 October 14, 2008
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Commonly accepted as the strongest tornado possible. According to Thomas Schlatter, the Fujita scale goes all the way up to F-12, which is winds the speed of sound. The article was actually written in Fune 1986 and was cited in the Jan/Feb 98 issue of the same periodical. Since before the original article was written in 1986, there has never been a documented tornado of F-6 or above, and the author states it's not likely to happen.

James R. McDonald includes a table of Fujita levels and wind speeds. F-6 and above is labled as "inconcievable damage". Wind speed are as follows (in miles per hour):
F-6 319-379
F-7 380-445
F-8 446-513
F-9 514-585
F-10 586-659
F-11 660-735
F-12 736 and above
note: The speed of sound at -3ΒΊC is 736 miles per hour.
Works Cited

McDonald, James R. "T. THEODORE FUJITA: HIS CONTRIBUTION TO TORNADO KNOWLEDGE THROUGH DAMAGE DOCUMENTATION AND THE FUJITA SCALE." Bulletin of the American Meteorological Society; Jan2001, Vol. 82 Issue 1, p63-72

Schlatter, Thomas. "F6 Tornadoes." Weatherwise; Jan/Feb98, Vol. 51 Issue 1, p28
by Mike February 05, 2005
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Brock Lesnar's signature move when he picks them up on his shoulder and the person does a 90 degree spin
My friend got a F-5 for being a dickhead motherfucka
by Birdkilla05 November 12, 2003
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v. 1 To refresh yourself, like if you've been daydreaming during a meeting.
v. 2 To wake up.

Origin comes comes from the use of F5 as a "Refresh" key for MS Windows applications.
Frank: Greg, what did you think of Tom's suggestion.
Greg: (Daydreaming) Huh? Wha?
Tom: F5, dude!

I can't really F5 until my second cuppajava.
by Leif April 08, 2005
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