second-guitar and vocal in the band 5 Seconds of Summer (more lovingly known as 5SOS). Michael changes his hair color often, leaving every girl's heart to be blown apart and become another piece of shrapnel. see "love of my life" for more.
"Oh my god, Michael Clifford did the thing." "Oh, fuck. I just died inside. Let me go rock back and forth on my bed for three hours." "Okay, have fun with that."
by jasper carmichael February 17, 2014
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He is a sex god that plays guitar and sings in a band called 5 seconds of summer with another 3 sex gods. His hair is just amazing and colorful and his smile is just cute and perfect. He believes that he is a punk rock guy but he is not, that's what makes him cuter than he is
-Hey do you like michael clifford?
-The 5sos guitarrist? i love him!
by cliffxrdsbabe September 24, 2014
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this piece of funny punk rocking shit that is in the sexy band 5sos he changes his hair color like every 4 weeks which makes him even more radical ;))))))
"that guy over there with the crazy hair is really hot"
"HOY FUVK ID THST MICHEAL CLIFFORDI 5SOS BAND EW ILYSM"
by mycakecallsashton October 1, 2013
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extremely large in size or amount

difficult to clean

"i've got a clifford crapload of work to do!"
by Debbie's Sister, Monique March 10, 2008
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Michael Clifford is 1/4 of the band 5 Seconds of Summer. At only 23 years old, He is one of the leading guitarists in the very successful band and he is mostly known for being the guy who constantly dies his hair the colors of the rainbow and pretending to be punk rock. He goes by many nicknames such as Dirty Cliffo, Kitten, DJ MC, and Daddy. He apparently wants another slice of pizza, his favorite food. He also speaks out a lot about mental health and how "it's okay to not be okay." However, sadly, he has recently got engaged to Crystal Leigh, so all the fans literally are not okay. That's a big oof from the universe. But, overall, he's a sweet guy who deserves sunshine and rainbows. (Don't tell him I said that, he wants to be punk rock asf)
Michael Clifford, more like the most punk rock kitten in the world.
by LeMikeyCliffo January 28, 2019
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the guitarist of 5 seconds of summer. he’s punk rock as hell but the 5sosfam still calls him a kitten. we STAN in this house.
person: omg look at this beautiful piece of man.
other person: it’s obviously michael clifford.
by mikeycliffcloff2011 November 19, 2018
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Someone who speaks very weirdly, unclearly or gibberish.
Also, when someone speaks very friendly
Morgan: aiakksksksimhighasfbrotha

Kyla: The fuck are you saying, I can’t understand you, you’re speaking clifford
by veronica cancklep December 9, 2018
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