A Welsh 

Lying about leaving your keys at home in order to go do somthing else

"aye, he pulled a welsh to go ride that dirty"

A Welsh by cummyhands August 10, 2009

bake a welsh cake 

To curl one up, drop the kids off or lay cable is also to "Bake a Welsh Cake".

It ALWAYS takes 20 minutes or more to bake a welsh cake.

Can I borrow that magazine for 20 mins Trev? I've got a nearly-baked welsh cake to get out.

bake a welsh cake by Judster October 16, 2004

dropped a Welsh

Violently shitting your pants in a public/tight quartered space with no regard for other’s right to breath.

Pretty sure Connor just dropped a Welsh… Holy shit my eyes are burning.

dropped a Welsh by bendover1969 November 18, 2022

a shit welsh teacher 

Mrs Baily

Mrs baily is a shit welsh teacher

a shit welsh teacher by Big shlong Dave October 25, 2018

Running like a Welshman

To run as if one has stolen something.

Scott: Aye, look o yonder, a lad running like a welshman.
Aussie: Seems about right

Running like a Welshman by Doktoberfest March 31, 2015

Pull a welch 

When you put your 2 week notice in and your last day is a monday but you come in iver the weekend and clear out your stuff and never show back up.

Ryans last day is on a monday. I bet hes going to pull a welch.

Pull a welch by TurdFerguson123 July 24, 2018

Get a wesh 

This implies that the person in question, smells quite bad, and therefore should get washed!

"Hey you there, isn't your name Filbert?...well tha needs to get a wesh mate!...tha stinks like a monkeys rear!"

Get a wesh by The great scalliwag March 28, 2009