nigger beads - aka. nigga beads - its the clumped up, sweaty, wet wads of dirt; making a perfect line following just under ones jawbone. Mainly found on the necks of caucassians; mostly on little kids. Has been known to form on armpits, just behind the knees, the bend in the arm, and any other skin to skin crevasse that may be in contact for any length of time creating a wet, sweaty situation, giving dirt a balling up effect.
"You see the size of those niggerbeads on that lil kids neck?! Man, they were the size of taco meat!"
Those little, annoying, rubber pieces that reside on most turf playing fields.
Usually, after you play on/visit/look at the turf field, they end up on you, indefinitely.
"God I just found a fucking nagger bean in my world history book."
"That's not bad at all, this morning while I was showering I found some nagger beans in my butt."