Someone who evades projectiles in an online video game such as Halo by jumping constantly. The word is a reference to Mario, the famous jumping plumber who's the hero of the Nintendo games Donkey Kong and Super Mario Bros.

A person who you hire to fix something. But little do you know all they do is stick some duck tape down your toilet or on a pipe and call it a day

when someone is really draining your energy by constantly talking shit at you

Someone who agrees to take a substantial amount of cash in exchange for fitting a bathroom suite/gas boiler/central heating system and then doesnt bother his fat ginger arse to come back and complete the job.

see also gas fitter and fat lazy cunts

A gentleman in the business of installing sinks, tubs, and commodes, who wears trousers two sizes too large so the upper portions of his keister are continually on display.

A person (most often male) who will replace and/or fix water systems. The plumber will most often have a whiteish beard, a t-shirt with the American flag on it, a worn out trucker hat, a mom tattoo on his arms (who will most likely be very hairy) and most important of all, improperly fitting pants (always will be too small and probably camo print) that will reveal his bum crack AKA the PLUMBERS CRACK.

Sending out a warning, to the person your sending this to that might be killed, beaten up, etc. also to hide the meaning of the warning,