when you have gas built up behind your crap and suddenly need to go to the bathroom, and once you sit down u shoot the crap so hard it makes the water splash your ass. anlso known as projectile shitting.
by Wolfman (not boy you mofo) January 24, 2009
a slightly crude code word meaning " i have something private to tell you at a later moment", often used when an undesireable person breaks into your conversation
Alice: so you'll never guess what Jack did yesterday at the park.
Matt: spill.
* Jack enters the room *
Alice: Blowing Chunks
Matt: spill.
* Jack enters the room *
Alice: Blowing Chunks
by Alice Malice Murder August 15, 2008
by big papa w long shl0ng August 08, 2017