immediately, very fast, faster then anything imaginable, in a hot second
1.Im foaming at the mouth, nigga, you need to bring that shit over here with the quickness.
2.When her papa dukes rolled up i had to ball ass outta there with the quickness!
adjective, doing something fast or in need to do something fast.
Say Joe, if dude wanna make that paper, he betta get here with the quickness.