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2.
to vomit or barf, particularly related to over-eating or drinking alcohol
I drank so much beer, a reversal was inevitable
af Reimer Cunningham 7. juli 2005
 
1.
The act of taking a shit while facing the cistern. Causes large a mount of residual crap to be left on the bowl.
We got got kicked out of our holiday house so we busted a reversal in the tiolet then got the fuck out.
af kiwicito 28. september 2004