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When someone gives a blowjob using their stoma (hole the doctors put in your throat if you smoke too much), so the semen goes down the trachea.
I almost died last night after giving Bryan a bloma.
by DVJ November 25, 2012
The Coma like state one is left in after recieving a blow-job.

Root: coma blow job
oh my god! I think I put him in a Bloma!
by jsnbnit January 20, 2011