hit on the horn
To make a phone call (mostly used by African Americans.)
A: "Yo... sorry I am late Bro."
B: "Yeah... I just was goin´ to hit on the horn."
B: "Yeah... I just was goin´ to hit on the horn."
to hit the horn
to take a hit of freebase cocaine from a glass pipe (aka: the horn)
Those guys scored some blow and are going to hit the horn tonight.
hit my horn
Call my phone
Aiight bro, hit my horn later