Truly awful joke

[e_laini]

Bloke from Chesterfield walks into a vets and says:
"Eh Up, Yoth, could tha 'ay a look at us cat"
The vet says:
"Certainly sir, what's up with it?"
Bloke says:
"It keep chuckin' up all over't'shop"
The vet says:
"I see. Is it a Tom?"
Bloke says:
"Nay lad, it's in't back of me van"