The scientific term for the magnetron tube used to generate microwaves in a common microwave oven. Purportedly, if these tubes are removed from the safe confines of the oven and energized they will generate enough energy to weld two dogs together. Hot damn!
by B. B. Rodriguez February 22, 2005

I bought a dozen doughnuts for my coworkers on my birthday, but I ate one in the car, leaving me with a welder's dozen.
by steve even October 22, 2013

based on a used welders bench, when welding lots of small lumps of metal fly of the object being welded as sparks and solidify on the bench giving it a spotted lumpy look. therefore a girl with a face like a welders bench is ugly, spotty, has a pock marked face, generally rough and not a pleasant sight
by ontour May 25, 2012

by TeamBPR July 13, 2009

The sexual act of acting like you are going down on a female partner and spreading open her vaginal lips and applying super glue between them and then holding them shut thus giving you a “welded” effect.
Bro 1: I heard you just graduated welding school congratulations bro!
Bro 2: what are you talking about I never went to welding school?
Bro 1: Are you sure my sister said you’re the best Missouri welder around?
Bro 2: OH YEAH! Definitely not what you’re thinking!
Bro 2: what are you talking about I never went to welding school?
Bro 1: Are you sure my sister said you’re the best Missouri welder around?
Bro 2: OH YEAH! Definitely not what you’re thinking!
by That1Lineman March 8, 2024

A person who exhibits the same traits as clinger, but worse. Instead of clinging on to you, they full-on weld themselves on to you.
Lauren, this new girl is such a welder. She asked, “So who is this Lauren you’re texting?” I said, “It’s my cousin! Chill out.”
Such a welder.
Such a welder.
by CaptainVegasKirk October 9, 2022

A welder is an individual who spends exceptional amounts of time piecing together metal, typically via TIG or MIG welding. Welders are usually very greasy, and short-tempered. To spot a welder in the wild you can look near any Harbor Freight store.
by septard February 20, 2023
