A person who is just less than a mate (m8)
pronounced emm-sev-en

M7 is a group/movement that is said to have information on an extra-terrestrial/non humanoid that escaped government protection close to Alice Springs. Random stickers appear to be spotted around the space of Western Australia.
It is rumoured the unknown members release music/hip-hop explaining some of the theory’s.

m to the seven, an assassin that can be dangerous

Commonly thought of as mistakes on messenger services, however the terms are both equivalent to M8 - obviously an abbrieviation of the word "mate".

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.

The same as m8 or m9, but better.