A person who talks so quickly and so incessantly (and often with no point to what they say) that others dread hearing the sound of the person's voice.
"If I hear another word come out of that yapyap's mouth, I swear I'll cut off her fingers and feed them to her."
by Loogaroo November 6, 2004
Overall, Yapyap is a very employable guy, and a loyal companion, as long as he is rewarded with food nipple every now and then.
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by Flatulent_Jarvis March 16, 2020