when shortened way of calling someone meady usually used if you are british
that lightskin was so M
M is the Luigism version of "L" that ordinary people use, meaning loser because M*rio is a loser and much more.
Oh my god man that's such an M opinion!
M moment!
M means “dumb stupid whore” or “bitch ass tall ass weirdo”
“Oh my god M is such a vagána”
“M is such a dildo”