Best definition
When a female, possibly inebriated, is getting crazy. Attacking people, smashing things and being a general nut.

“She hit me in the face and smashed three glasses against the wall at the bar, but she were just wildcatting, blowin off steam ya know?”
Wildcatting: define #2
When someone assigns themself a nickname. That nobody has ever even thought of calling them.
Wildcatting is giving yourself the nickname wildcat. They don’t call me “wildcat” for nothing.
Wildcatting: define #3
Young men who are on the prowl at local bars for Pumas, Cougars and Jaguars, “OH MY!!!”
“Hey Rich, lets go wildcatting tonight.”
Wildcatting: define #4
To drive a vehicle with no registration or insurance in a way that would get you scuffed up by the cops if pulled over.
“why is Lil b drivin so slow?” ” He’s wildcatting it ,nigga stole that piece of shit last night after he lost his whip!”
Wildcatting: define #5
The female version of freeballing or going commando; wearing no underwear.
Example One:

Amber: “Hey Tamera, those pants are pretty tight, aren’t you worried about pantylines?”

Tamera: “No, I’m wildcatting.”

Example Two:

Veronica: “It’s laundry day so I’m wildcatting.”