Bestie Kat is a word you call a person named Katherine, you call them bestie Kat because overall they are a good friend, they may not answer your messages once and awhile but they are very polite, they like to say thank you and act like there the best.
kat: oh hey John
JOHN: BESTIE KAT!!
Combination of Handsome Pants and Bestie, a handsome bestie. It is not required that they wear pants. Like a pet name or term of endearment
Bestie Pants, your hair looks so good today!
When your dog depends on you for every little thing because it has attachment disorder. Also when your dog is your best friend because you spend so much time walking it, cleaning up its shit etc.
Also when you meet a new besty because they approach you at the dog park to compliment you on how cute your doggie is.
Basically pertaining to everything involved with friendship, dogs, and such.
I made a new doggy besty when I went to the park yesterday.
My roommate's doggy besty is a pit; she attacked my kittie but my kittie scratched and bit back.
Jazlyn
Synonyms: pookie, bookie butt
"You're my bestie not-bestie because %%%% is being a bitch."