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1. yer ma!
wen ppl hav nothin better 2 offend ppl, they refer 2 'yer ma' meaning your mam, they are trying to say they have shagged her basically
george:your crap at singing!
freddy: yer ma's crap! (aka : in bed)
by geordie Mar 10, 2005 share this
2. yer ma!
variation of the common insult "your mom" or "yo mamma." this variation is one of the rednecks. introduced to society by harrison.
Harrison: yeeehaw! i rode dem horses harrrrrrd last night!

Victim: YER MA!
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