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1.
when you have diarrea that all come's out at once making a sort of popping noise and spray's the toilet with shit.
Man I ate at del taco and then I gave the toilet a shotgun blast.
by nate July 12, 2003
 
2.
A hairstyle that's common among obese females. The front and top of the hairstyle is somewhat normal, while the hair on the back of the head is, for some reason, overly spiked out.
Almost all of the fat nurses were sporting the shotgun blast hairstyle.
by n0kx May 16, 2008
 
3.
A haircut that looks like you got shot in the back of the head.
Shotgun blasts on all the boys, and all the girls.
by Adubs April 06, 2004