Descriptive of a couple who are really in love and will never split up, not never, ever.

Typically the 'welder' is some 17 year old scallie bird who welds herself to some poor sod with shit for brains and a pimped-up Vauxhall Corsa that he street races up and down Smithdown Road.
"Eh, Marky. Bez an' Tray are fuckin' welded, son. She won't let the poor bastad out with his mates anymore."

"Oh yeah, me an' Bez are welded. We're gonna, get married an' have loads of babies."
by Lord Ass June 23, 2005
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The seam of skin between the bullet hole and ball bag or vagina (minge, gash, clunge etc)
I'm gonna kick you in the weld
by Weld Licker September 5, 2013
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The stripe that is on the underside of the penis where it looks like the skin has been joined together.

If you check your own penis you will see it - and as it has no official medical term, and has appearance the of a seam weld, this is commonly referred to as 'The Weld'.
Look at ' (The) weld' on that cock
by Les of Lesbania November 13, 2010
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(Jamaica, old school) To engage in sexual intercourse.
I'm goin' to be weldin' her big time tonight, mon.
by bigword February 1, 2008
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The space between a mans anus and nut sack. It is where a man is said to be welded together.
You can lick my weld if you like...actually just lick it anyway.
by Sub-Prime August 5, 2005
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At raft camp, Josh and Lola were totally welding, you could see the sparks.
by yolivia June 3, 2013
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