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A racial slur referring to black people. May be used interchangeably
with nigger.

Based on the fact that once African tribes shifted from the
hunter-gatherer social pattern to the agricultural social pattern, they
depended largely on the yam for sustenance, indication of wealth,
commerce, currency, etc.
"Those yammies need to get a damn job!"

"Watch out, or those sand-yammies will make a jihad on you."
by genthree October 21, 2007
v. to regurgitate; throw-up.
"I yammied all over the bathroom last night."
by iq December 02, 2002