Someone you weightlift with and then make-out with in the locker room.
I just went to the gym with my bestie!
Besties (noun) to be in the state of every hilarity and laugh constantly, but cry too and just spend too much time together listening to amazing and amazingly crappy music and dancing and cooking and living in the chalet and shopping and coffee-ing/vanilla milk-ing at Javasti.
The besties are going to go paint the town.
A neurotic person who has learnt to think through excessive exposure to violent media, such as video games, that they are military men.
They often look at things through a soldier's eye, while really being a normal civilian.
"That Alex is a real Besty. The other day he said that the top of that tree was a good sniping position, I think he's nuts."
"That guys turning into a Besty. Too much Call of Duty 4 I reckon"
Another word for a diaphragm.
A female birth control device, usually inserted into the vagina before sexual intercourse, that collects the ejaculated semen.
"Let me get put my bestie into my vaginal cavity before we do this."
To get so drunk you wake up the next day in hospital. Refers to the late football (soccer) player George Best's alcoholism.
Woah dude you were so drunk last night you pulled a Besty.
a good friend, able to be sub-categorized for work or events for specialization.
this is Angela, she's my Starbucks Bestie.
or
my bestie Michelle and I are going to lunch later- do you want anything?
or
'who are you inviting?'
'oh, you know, just the besties'