Green’s Dictionary of Slang

sexual intercourse (plus oral sex); esp. as used in Asia, often by prostitutes; also attrib.

1970		T. Southern Blue Movie (1974) 166: Make real love, yes. Intercourse, right? Zig-zig, right? Fuck-fuck, right?
1973		C. Gaines Stay Hungry 237: Lissen, we got time ... little fucky-fucky. That whatchu want?
1975		J. Wambaugh Choirboys (1976) 226: Fucky sucky, five bucks.
1983		N. Proffitt Gardens of Stone (1985) 200: Hey, Joe. You want boom-boom? Fuckee-suckee?
1992		Marcinko & Weisberg Rogue Warrior (1993) 188: You go fuckee-fuckee tonight Mr Dick?
2001		B. Thacker Rule No. 5, No Sex on the Bus 7: It’s like the Disneyland version of Amsterdam, without all the hippies, rubbish and ‘Live Fucky Fucky’ bars.
2011		(con. 1968) P.L. Nelson Incessant Voice of War 3: You like fucky?
2021		J. Ellroy Widespread Panic 167: I heard mattress moans and fucky-fucky exertions.
2021		P Howard Braywatch 231: ‘You tell them you make fucky-fucky in garden?’.
2023		(con. 1962) J. Ellroy Enchanters 21: Fuckee-suckee pix [...] fucking, sucking, going 69.