Insult, a northern England or Derby version of your mum or yo momma
As in "What were you doing last night?", "YER MAM!"
by Tom Chambers October 14, 2004
Get the Yer mam mug.
yer mam is what northen people say to annoy other people. or to argue. Us northen people has a fascination with peoples mams
'what were you doing last night?' 'YER MAM'
'do you want a cuppa' 'nor but yer mam does'
or used to argue
'FUCKING SLAGGGG' 'YER MAM'
by Ashleigh Jay April 23, 2008
Get the yer mam mug.
gleeful exclamation
also used as a random exclamation
lalalalalalala yer mam

"do you want a brew? , yer mam"
by bab April 19, 2004
Get the yer mam mug.