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
by Alice Malice Murder August 14, 2008
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to throw up violently in a bathroom stall

to give oral to some boy named Chunks
I was blowing chunks the day i got sick

Oh my god! She's blowing Chunks!
by um... not Bridget... May 09, 2005
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