Green’s Dictionary of Slang

afternoon.

1907		B. Fisher A. Mutt in Mutt, Complete Compilation (1977) 3: I must have miscalculated. If only I had a live hunch for this aft.
1914		H. Hershfield Abie the Agent 5 Nov. [synd. cartoon strip] Ipromised this kid a free ticket [...] for his wagon this aft.
1928		R. Carr Rampant Age 176: We can go over to my hang-out and do ’em this aft.
1941		J. Archibald ‘Dog Collared’ in Popular Detective Oct. 🌐 She wanted to know this aft if I had a boy frien’ and if I did, we could all go out.
1954		J. Steinbeck Sweet Thursday (1955) 93: The boys request the pleasure of your company at their joint tomorrow aft. to drink a slug of good stuff.
1960		E. De Roo Big Rumble 70: I left some aerials under a stoop a block away, this aft.
2023		R. Milward Man-Eating Typewriter 493: ‘Seafood supper this aft, so I heard’.