an excuse to eat food off the floor.
Eric: *walking along, sees a piece of candy on the ground* NOM
Jason: Dude...
Eric: 5 SECOND RULE
by mr. fluffy penguin man February 24, 2011
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The window time a hot female has to make her point before a guy shifts his attention to her rack.
Hot Girl:I just read this book on feminist movement and realized how poorly men have treated women over the past century.

Hot Girl:Hey! Are you listening to me!

Guy:Oh! I'm sorry babe 5 second rule.
by Midorisan May 9, 2012
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An informal notion that food dropped onto the ground is still edible if retrieved within a five second time frame. Variations exist; 30-second rule, 2-minute rule, et cetera.
Damn, that was the last potato chip. Oh well, 5 second rule in effect, right?
by kinsmed July 10, 2004
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Band members: Calum Hood, Luke Hemmings , Ashton Irwin and Michael Clifford started by posting YouTube videos of themselves doing covers. They gained more popularity when going on tour with One Direction. They started Sounds Live Feels Live tour shortly after their album Sounds Good Feels Good was released.
When you are reading a Wattpad fanfic and
someone says something about 5 Seconds of Summer:

Me: 5SOS af
Stupid Girl: What is 5SOS
5SOS fam 1: get outta here
5SOS fam 2: You didn't just say that
5SOS fam 3: Oh My Hemmo, what areyou doing with your life gurl...
by xoxo Meg March 16, 2016
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A shitty boyband. They themselves aren't bad, but it is their unbearable fangirls who will deny to the grave that 5 seconds of summer is a boyband. The main argument is that they play their own instruments so that disqualifies them from boyband status, which of course is false. Also more annoying is the imaginary link that has been made with this boyband, and real punk rock bands. They and their fanbase like to wear classic punk rock t-shirts, although most of them have no fucking idea what they are wearing.
Fangirl: "I love 5 Seconds of Summer!!!"
Me: "Do you also love The Misfits, since you are wearing the Crimson Ghost?"
Fangirl: "Isn't The Misfits a clothing brand?"
Me: "Please take off that shirt and proceed to set yourself on fire."
by Leroy Sid December 22, 2014
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5SOS (5sauce) are an Australian pop rock/pop punk band. Founded in 2011, it consists of members Luke Hemmings, born July 16th, 1996 (lead vocals/guitar) Calum Hood, born January 25th, 1996 (vocals/bass guitar) Michael Clifford, born November 20th, 1995 (lead guitar/vocals) and Ashton Irwin, born July 7th, 1994 (drummer/vocals). Commenly called a boy band although not one under any form of dictionary. (According to the Oxford dictionary, a boy band is a /vocal focused/ pop group made up of late teen/early twenties attractive males appealing to a young female audience, 5SOS' appeal was strictly coincidental) They have released one studio album and one live album respectfully named '5 Seconds Of Summer' and 'LiveSOS'. Another studio album is set for release October 23rd, 2015 named 'Sounds Good Feels Good', already number 1 in over 50 countries on pre-orders alone. Their fanbase is a dedicated one called the 5SOS Fam, Fam being short for Family. The band has started a revolution in the music industry named The New Broken Scene, created to make everybody feel like they belong. The bands biggest inspirations are other bands such as Green Day, All Time Low, Good Charlotte, Fall Out Boy, Boys Like Girls, etc.
"Have you heard about the band 5 Seconds Of Summer?"
"No, are they any good?"
"It really depends on your taste but I find them amazing, you should try listening to them."
by Bass lines are deep as fuck October 13, 2015
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if you drop a piece of food on the ground (most likely, something that you've taken a long time to prepare, at a time of crisis right before this needs to be served, or after a long day), you have 5 seconds to pick it up and it will be fine. While it still has germs, these 3 words just may give you peace of mind.
Crap! I just dropped the souffle I've been working on for 3 hours! And Jackie is getting here in 5 minutes! *picks it up* 5 second rule will have to do I guess.
by Meg July 10, 2004
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