When a sophomore douchebag slaps the back of an unsuspecting freshman's neck.
Bro WTF happened to your neck
I got wangtang slapped bro
To shatter someones masculinity in some way or another.
For further reference, see "Don't be slappin' my penis" by Kollektivet on Youtube
Examples of Slapping someones penis:
Nurse: "I am sorry sir, but you have testicular cancer"
Mother:"You forgot your helmet, son"
When you jerk off onto the back of your hand, and bitch slap the shit outta someone
Max: This bitch talking mad shit right now!
Brandon: Go to the bathroom and hit her with the peruvian pimp slap.
when in the sea and a wave hits you in the face
A: Oh dude, can you see that huge wave coming?
B: What?
B turns around and wave 'slaps' him in the side of his face
A: LOL dude you just got sea-slapped badly!!!!!!!!
The act of completely destroying somebody figuratively or literally slapping someone with/or in the vagina
I beat that idiot in dodgeball by so much that I poon slapped his ass.
When I was fucking her she wanted me to fist her so I poon slapped her.
To slap someone in the face with your boobs, particularly when they are large such as D and upwards .
We were having the best sex when she quack slapped me.
When you slap someone with your dick. Most often right after coming out of a helicopter spin.
Mat: Dude Mike just gave me a helicopter slap!
Max: He gave me one too!