Term coined by Diddy on Making the Band. Overall stank actions towards others through words, facial expressions, and/or song. Symptoms include: thinking your better than those around you, not speaking your true feelings, throwing large amounts of shade.
Tony: "Dont fuck up in our friendship Kile ... cause i will call u out on ur BitchAssNESS!!!"
Kile: "Doctor, is there something we can do??? is there something that i can take to cure this bitchassness???"