When you slice someone's throat in the motion of a smiley face.
"I found out who shot my friend...I gave him a NEW YORK SMILEY!!!"
by Cbox360 May 01, 2010
when someone lays on the side of a curb and someone lights their hair on fire and stomps their face in
i was so pissed off i introduced him to a NEW YORK SMILEY
by tits magoo February 02, 2008