An extremely rare clan name related to the eastern island peoples of Prydain. Said to be "the badest mo' fo's this side of the severn", they are revered and feared for their beast like nature and ferocious appetite for justice.
Used in common slang, the name may be used several different ways. Current examples include...

"Keep on like tha' and sum-un's gona go Amoss on u!"

"He got Amoss'd up!"

and the most common...
"Don't f#*& with an Amoss... "
by Metal Hawk of Gotham February 12, 2010
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