upslut

when one tries to be sluttier than the other person they are with.

Person 1: Wears heals and short shorts
Person 2: Wears heals, short shorts, low cut shirt with major boob showage.

Person 1 was just upslut-ed.

Girl don't you be upsluttin' me.

Upslut

The act of increasing your combination of sexual appeal, attitude or aptitude generally through your wardobe, body modification or working out - potentially to the chagrin of those encountering you for the first time and especially hose who knew you before the upgrade.

Increasing the volume of C.U.N.T you serve at the table.

Combination of the words Upgrade, Upset, Slut. Verb.

"I bought a PVC corset today to replace that shitty ali-express affair - I'm upslutting"

"My arms could do with some work - time to Upslut."

"I'm getting a new tattoo, a trampstamp. I'm in my Upslut era."

"Have you seen X's new boots? They're upslutting"