To take a dump, especially one that is very large or offensive-smelling.
Boss: Dammit, Spencer, open a window if you're gonna blow up the spot like that!
When you're takin it in the butt and he pulls out and lets loose on your neck.
"Jonny i need you to blow on my neck"
#Tim: Jess, gimme a blow job.
#Jess: What's that?
#Tim: Put my dick in your mouth and head band that shit!
The act of cleaning a pink sock before reinserting it back into the anus.
"After I gave her a pink sock, I had to give her a pink sock blow job. That shit has to be clean or it will get infected."
This phrase was coined by a bunch of crazies from south western Pa. in the early 80's. It was used to piss off whomever was in earshot... usually shouted at the top of your lungs in public places...
Sammy got tossed from the club for yelling "Go blow your dad".
The act of putting on a duck mask and giving someone a blow job while wearing the mask.
"Lisa totally gave me a duck bill blow job last night."
When you have sudden explosive diarrhea
"sorry babe I'm stuck on the toilet blowing my ass out"