Definitions by WWWJWD
tyfys
The acronym for 'Thank You For Your Service.' Usually used ironically to express that you did not actually want the service in question. It's also a polite way to say "go fuck yourself you jackbooted thug."
tmfms
An expression of entitlement usually used by government employees who think you should be grateful that they provide a service you don't want which is funded by stolen money. An acronym for 'Thank Me For My Service.'