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1.
RITSL is an internet accronmym for Rolling In The Snow Laughing. It is similar to ROFL and is often used by Canadians mostly as they have more snow. Usually geeky Canadians.
Can be used in place of LOL or ROFL.
RITSL! That was so funny!
by Vakman March 10, 2010
1 0
 
2.
Rolling In The Snow Laughing
He doen't know the meaning of "Yellow snow" ritsl
by maddogmaddox December 19, 2009
1 0