n1m8 Posted in N Best definition n1m8 n1m8 is an internet-contraction of the phrase “Nice one mate”. Derived from m8 Gaz: “Forgot to book tickets for the cinema and now they’re all sold out” Baz: “n1m8” How satisfied are you with the definition? Looking for n1m8 meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 18 times.