It's the short form of mate which is usually used in chatrooms.
hey,m8!how are you?

I'm fine,thanks.what about you m8?

i'm great!
by Dragonom March 12, 2009
Top Definition
shorter way to say mate, especially over the internet.
"me and me m8s got pretty pissed."
by International Bad Boy September 07, 2004
m8 means mate m8
gr8 b8 m8 i r8 8/8
by Jub is love August 02, 2014
word for mate
g'day, m8
by John June 11, 2003
friend, companion
soi m8
by Ben February 11, 2004
It means "mate"
Used in chats and in forums, that slang is useful
Me: hi m8.
Jonh: hi m8. how are you?
Me: i'm fine, thanks m8
by F4T4L_3RR0R_ April 12, 2009
means mate for gamer language
1v1 me in scrub penguin m8 ill rek u der men
by Huahwi January 25, 2015

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