It is typically used in response to an incoherent proposition put forth by someone else, along the similar lines of "what did you just say? Alternatively, the phrase can be used devoid of any context to confuse anyone that is unfamiliar with the expression. Mate  , when used as a noun, is a colloquial term mainly used in the United Kingdom and Australia as a friendly form of address among men, with its earliest documentation found in a Middle English manuscript named Sir Ferumbras dating to circa Its l33t-style shorthand form "M8" has been used in IRC channels and instant messaging since the s.
Top definition. U Wot M8. U Wot M8 is just text slang for ' You what mate? Normally in response to another confrontational phrase - see example below. This abbreviation is probably the cause of much confusion to the American audience since they have similar difficulty with 'half two' meaning half past two not one or one thirty like some of the common guesses. Mar 14 Word of the Day.