1. A person who enjoys to chatter non-stop. This is usually the person who you constantly think "Will you shut the fuck up?!" around.

2. Another word for "mouth."
1. "Oh did you see Johnny the other day? What long hair..I think he needs to cut it. On second thought I think i'll just invite him over and suggest he do that...Did you catch that news report about the..oh well, it's to embarassing to say..."

2. Will you shut your fucking yapper?!
by PersonWhoIsSomething-Lizterine January 29, 2005
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A yapper is a small pupper.
A pupper is a small doggo.
by WoofWoofDoggo July 12, 2016
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Somebody who is constanly talking and knows more then he should know, and tells everyone he is associated with all that he knows. Most of the time you will see him in the corner on the cell with a "211".
1. One who would sit at the computer and actually define what a yap means is a "yapper".
2. People with a nextel have symptons of a
"yapper".
3. If you turn off your phone and when you turn it on again all messages begin with "U fucking yap", you are a yapper.
by Raffi Torres November 14, 2004
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A small doggo who yaps to much
That doggo be a yapper
by Dish soap August 18, 2018
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A marijuana blunt laced with crack cocaine
Whats the business nig? we right here smoking these yappers mane, got that five on the ping mane?
by Realweedmane June 17, 2005
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the women that dont shut up but you still want to fuck.
it wasnt until i had all of my dick in that yappers mouth, that she shut the fuck up.
by ploponfire June 27, 2009
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