Comes from the words (Smurked) and (Murked). Originated in Nottingham, the amazing word means to kill someone by Hitting your penis on a persons cheeks.
1|Yo, i accidnetly killed ma m8 2|how? 1|I Smurked him 2|Erghhhh
the sound you make when you pretend to hit someone
Hey John! Wha-pssh!