Top Definition
Someone who doesn't give a fuck.
Niall Horan is the most carefreemofo in the world.
#niall horan #carefree mofo #one direction #care free mofo #carefree motherfucker
by Always Wrong October 07, 2012
Niall Horan from the biggest boy band, One Direction, is the biggest carefree mofo. He doesn't care. Niall Horan doesn't give a fuck.
Care free mofo doesn't need an example
#niall horan #care free #one direction #mofo #boyband
by britishandirishboys June 18, 2013
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