Green’s Dictionary of Slang

1. to do, to perform, to make happen.

1898		John Fox Jr ‘Preachin’ on Kingdom-Come’ Hell Fer Sartain and Other Stories n.p.: They all busts out cryin’ an’ shakin’ hands.
1903		‘Hugh McHugh’ Out for the Coin 49: If I don’t get ’pology I’ll bust out crying!
1915		R. Lardner ‘Alibi Ike’ in Coll. Short Stories (1941) 43: Finally he just laid back and busted out laughin’.
1933		J.E. Grinstead ‘Old Pard’ in Goodstone Pulps (1970) 66/1: A man who [...] bust out in a foreign tongue.
1937		R. Westerby Wide Boys Never Work (1938) 45: What the hell do you think I can do, eh? Bust out crying and take you home to your missus?
1946		Mezzrow & Wolfe Really the Blues 149: It was the hot swan-song of Chicago jazz that we busted out with.
1992		W.D. Myers Somewhere in the Darkness 27: ‘You know, you got to ease on in to some things. You can’t just bust it out because you think it’s right’.
2001		N. Barlay Hooky Gear 5: Me & Duane catch eyes an we bust out laughin.

2. (US black) vt. to make available, to use.

1994

W.D. Myers Glory Field 343: ‘Next time we go anywhere,’ Shep said. ‘I’m busting out the limo’.