Top Definition
When the male recipient of oral sex punches the giver on top of the head, just before ejaculation resulting in a bite down just as orgasm is reached, frequently incurring mild genital injury or bite marks (like a snake bite).
"Wow, look at these marks I got on my dick last night when I viperpunched that girl from the club!"
by DontViperPunchMe November 23, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.