Gumpshun 

quick-witted, smart mouthed, wise ass etc.

"My Grandmama used to say 'boy you got gumpshun' " -- Big K.R.I.T

Gumpshun by Misshoneyblunts October 5, 2010

gumpshonies 

Having the will, desire and cajones to take on a task or challenge.

I can't believe Matt finally got the gumpshonies to apply for the manager position. I thought he was going to toil away as an assistant forevs.

gumpshonies by JayGeeZee September 14, 2019