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1.
Acronym for "Support Your Local Outlaws". Used by members and supporters of the Outlaws motorcycle club.
He's not a one percenter but he wears a SYLO shirt to show his support.
by dd95 April 04, 2009
 
2.
The shortened phrase - sort your life out. Simple phrase with an obvious meaning.
Q. "wanna see my joey, my invisible dog?"
A. sylo...
by sean_david_iley April 14, 2008
 
3.
Sort Your Life Out
used for someone who needs to sort their life out.
James: "Hey man wanna buy some meth?"
Gregory: "Nah man, SYLO"
by jklomp July 24, 2014