Opposite of Nike Just Do It. pretty self explanitary :p
Michael: I wear Nike shirts all day everyday

Natalie: Ahh me too. JK

Kenz: psh yeah, I wear "Sike: Don't Do It." shirts all day everyday

Michael: -_-
by Rodrik@whimpykid2 April 16, 2011
Get the SIKE: Don't Do It. mug.