Green’s Dictionary of Slang

to divide up, to hand over a share of the profit.

1854		Hillsdale Standard (MI) 10 Oct. 1/4: If any one of the boys didn’t sell his papers, we’d go snucks with him, and each take one.
1869		Leavenworth Bulletin (KS) 26 Jan. 1/1: New York Police have ‘lit on’ a big nest of burglars and [...] $30,000 worth of stolen property. It is suposed the thieves refused to ‘go snucks’.
1876		Chicago Trib. 9 Sept. 2/5: ‘I’ll go snucks with ye on the money’.
1887		Indiana State Jrnl 24 Aug. 8/5: ‘We don’t either of us have quite enough business for a lawn-mower, but together we might have. Say we go snucks on one?’.
1898		St Paul Globe (MN) 25 June 4/2: It is a brand new affair. Uncle Sam and Don Nicaragua and Senor Costa Rica are to go snucks in the enterprise.
1902		Wkly Telegram (Eau Clare, WI) 25 Dec. 8/5: If you’ll go snucks on the arbutus, let me know.
1914		L. Weiner ‘Further Word-Lists – New Hampshire’ in DN IV:ii 154: snucks, n. To go snucks, to share work and profit evenly.
1922		El Paso Times (TX) 10 June 9/2: We were going to go snucks on it.
1932		Beaver Press (UT) 29 Apr. 7/2: ‘Maybe we can make a lot o’ money [...] If we do, we’ll go snucks’.
1940		Dly Chron. (De Kalb, IL) 27 May 4/3: The teacher asked the whole Sunday School to go snucks with her in prayer to stop the war.