is were a guy cums in the ass of another man

and gets the man to fart it back in his face and true merthers ingest the contence of the back load along with any other substences to come out
dave: hey i got an idea let me come in your ass and you can fart it back in my face

merthy: ok thats a great idea

dave: we need a name for that

merthy: how about daving

dave: no no no i much prefer merthing

merthy: yer i like that now open up your mouth here it comes
by dr eddie September 13, 2009
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The worst YouTuber to ever exist. Terrible gamershots.
Have you seen merth?
Ya. It sucked
by DatOneKidYT July 8, 2017
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A guy on youtube who is trendy
Merth
Meth with an r
okie
by my nam not jef May 18, 2018
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