something that makes you laugh but didn't come at any cost to you...It can also can be referred to as "Lulz at no cost"...Usually for use on Twitter..
I like how instead of Gordon Ramsey saying,"Please leave"..he says,"Piss off"..haha...Free lulz..
hahahaha..the car owners on Operation Repo = Free Lulz..
OMG,Lamar just said the FUNNIEST thing!!..Free lulz..