Kribby is a nickname from the word Kirby. Given by a boyfriend, or a good guy friend.
1)A girl with a nice ass
2)A great kisser when taught
3)Loves to Flirt and joke around.
Boy#1:Look at that girl!
Boy#2:Yeah shes such a Kribby!
Boy#1:Wow that girl was a good kisser!
Boy#2:Shes a Kribby what can I say?
Boy#1:Why does she flirt so much?
Boy#2:Well OBVIOUSLY shes a Kribby!