Primarily used in freestyling--the audience or fellow rappers tell the MC to go in...on the beat or into the cipher.

Also used in other appropriate settings where participation or action is necessary.

(instrumental playing)
"John--kill this beat! go in!"

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Jared: "That girl looks so fine over there. I want to talk to her."
Andy: Well, go in!
by Andy Taught Me November 20, 2008
to dis, clown, roast, or have a lot of jokes on someone
Next time you wear some sh*t like that, I gotta go in on you!

Jerome went in DEEP on Quincy at the lunch tables, had everyone dyin' but had him cryin' after baggin' on his dead pops.

Martin Lawrence used to go in on the audience on Def Comedy Jam
by Kuahmel January 23, 2009
(v) In skydiving, to fail to open the parachute, to fall to one's death.
by Heptune May 11, 2005
Counterstrike term to: "Go! Go! Go!"

"Go! Go! Go!" is a recorded message that is activated through the use of key commands.
Player 1: Come on they planted the bomb!

Player 2: God dammit this loser is blocking the path!

Player 3: Go! Go! Go!

Player 1: STFU

Player 2: n00b

Player 3: Go! Go! Go!

Sound "Go! Go! Go!" is repeated rapidly by Player 3 n00b until he is booted by the admin or they all are fucking naded becuase they are too close together.
by John December 28, 2005
music started in washington dc.
examples: backyard band, ucb, north east groovers, raw image.
by uhigblkuygku September 2, 2003
Go-Go is a type of music that originated in Washington DC, consisting of strong drum beats and loose feel instrumentals with often sampled vocals it has so roots in reggae
Junkyard band, Northeast Groovers, Rare Essence
by Terrell February 19, 2005
GO GO Is the Muzic that comes from my HOMETOWN OF D.C.
Me And my NIggas Listen to that Shit. Uless Ur from D.C, Dont Talk About Shit U dont KNow About. Trust me this is gonna BLOW UP.
Go Go Bands of D.C.Tcb,Ucb,Backyard,Reaction,Ccb,Tob.
by MY NAME DONT MATTER May 26, 2006