Green’s Dictionary of Slang

1. to visit.

1941		Pittsburgh Courier (PA) 8 Feb. 7/1: [A] gate of color had a heated beef with a pale pan and the sepia [...] nixed the gray out. The sepia then latched into some breeze and fell into the Apple.
1972		D. Jenkins Semi-Tough 25: We know Dreamer well enough to say hidy but that’s about all. He moves up every now and then and falls into a classy place like P. J. Clarke’s, which is where we go a lot.
1980		(con. 1940s–60s) H. Huncke ‘Bill Burroughs Part II’ in Eve. Sun Turned Crimson (1998) 157: Bill had half-heartedly mentioned the possibility of his falling into Houston sometime Saturday afternoon.

2. to stay.

1980

(con. 1940s–60s) H. Huncke ‘Ed Leary’ in Eve. Sun Turned Crimson (1998) 126: It would give him a place to fall into should he return to the city.