What is Smurfin?
1.
whilst cought in the act of bein
Mom: hey johnny did you remember to... HAH what are you doing?
Johnny: shit mom i told you never to walk in my room without knockin!!
Mom: what the hell are you smoking?
...oh my god johnny are you Smurfin?
See
2.
while a chick is givin you blows you pull ur dick out of her mouth an slap/punch her in da face an then put your dick back in her mouth an make her carry on sucking
i smurfed that bitch in a fashion
See