Green’s Dictionary of Slang

fucky-fucky n.

also fuckee-fuckee, fuckee-suckee, fuck-fuck, fucky-sucky
[fuck v. (1) + redup.]

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

[US]T. Southern Blue Movie (1974) 166: Make real love, yes. Intercourse, right? Zig-zig, right? Fuck-fuck, right?
[UK]C. Gaines Stay Hungry 237: Lissen, we got time ... little fucky-fucky. That whatchu want?
[US]J. Wambaugh Choirboys (1976) 226: Fucky sucky, five bucks.
[US]N. Proffitt Gardens of Stone (1985) 200: Hey, Joe. You want boom-boom? Fuckee-suckee?
[US]Marcinko & Weisberg Rogue Warrior (1993) 188: You go fuckee-fuckee tonight Mr Dick?
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.
[US](con. 1968) P.L. Nelson Incessant Voice of War 3: You like fucky?
[US]J. Ellroy Widespread Panic 167: I heard mattress moans and fucky-fucky exertions.
[Ire]P Howard Braywatch 231: ‘You tell them you make fucky-fucky in garden?’.
[US](con. 1962) J. Ellroy Enchanters 21: Fuckee-suckee pix [...] fucking, sucking, going 69.