Abbreviation for 'Waltor Mitty' - someone who pretends to be something they’re not, especially: a member of the armed forces, a war
veteran or a policeman.
These
pathetic individuals try to compensate for their social inadequacies by adopting what they
see as a glamorous or respectable lifestyle.
"Check out that
military re-enactor walt. What a cunt."
"This walt tosser told me he was
22 SAS but I recognised him from Burger King.'