Taking a bong rip of just straight tobacco. Usually results in puking your guts up.
"Yo, John just took a t-slap to the face and it went straight to his dome."
"Yea, I heard he passed out and busted his chin on the concrete."
The act when you slap a tittie and it hits the other one in sequence.
I t-slapped her so hard my eyes started to look in separate directions while they were bouncing.