Top definition
when one person vomits in a room, and weaker stomach individuals view it and follow suit. Then people see all the puking and it seems to never cease.
John: Hey can you bllahh(vomits)

Sally: did you see thaaaahhh(vomits)

Bystanders (Vomit)

John: I started a Vomit-chain!!!
by Jack Sonnings March 05, 2009
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