Commonly thought of as mistakes on messenger services, however the terms are both equivalent to M8 - obviously an abbrieviation of the word "mate".
"oh hi there m7 LOL"
"hey m7, you cool you kerazy guy?"
etc etc
by David Larm July 10, 2008
Top Definition
A person who is just less than a mate (m8)
pronounced emm-sev-en
A What do u think of J?

B He's annoing, just a m7
by Ivan S February 27, 2008
Medication for men to treat Manginis. Usually delivered topically, but for serious and/or chronic cases there are maximum strength tablets, gel caps and capsules.
I think you need some M7, your Manginis is flaring up.
by CTJH May 05, 2011
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