Green’s Dictionary of Slang

doggy fashion adv.

also dog fashion, doggie fashion

used to describe a way of having sexual intercourse in which entry is made from the rear; thus dog position n., sexual intercourse in this position.

[UK]School of Venus (2004) 34: He once more thust his Prick into my Cunt, and Fucked me Dog fashion, backward.
[UK] ‘Lady Pokingham’ in Pearl 10 Apr. 30: You’re a cheating little bitch, and I mean to have you dog fashion.
[UK]‘Walter’ My Secret Life (1966) I 79: Something incited me to do it to her dog fashion.
[US]‘J.M. Hall’ Anecdota Americana I 133: He [...] began operations at once in his favorite position, the one variously known as dog-fashion, the cow-couple, all-fours, et cetera.
joke cited in G Legman Rationale of the Dirty Joke (1972) I 63: Six year-old child: ‘Look at those dogs playing around.’ Eight year-old child: ‘They’re fucking.’ Ten year-old child: ‘Dog-fashion too.’.
[US]H. Miller Sexus (1969) 142: We went at it again, trying it dog-fashion this time.
[US]Trimble 5000 Adult Sex Words and Phrases.
[US](con. 1940s) E. Thompson Tattoo (1977) 225: Then old Buck comes around and plugs her dog fashion while she’s goin down on me.
[US]Maledicta III:2 231: To fuck the ass off someone doesn’t necessarily imply either anal intercourse or homosexuality [...] any more than the hetero person’s getting a piece of ass means doggy fashion.
[US]Maledicta IV:2 (Winter) 198: If she brings her legs up to raise her bimbo so she is in the knee-chest or knee-elbow position, they are said to be doing it dog-fashion or dog-style.
[US]O. Hawkins Chili 37: It was smaller than we thought it was. I had terrible thoughts of being caught, doggie-fashion.
[US]N. Eastwood Gardener Got Her n.p.: Mike flipped her over into the doggy position and she quickly got her wish. He sank his hot prick into her greedy pussy hole.
[UK]K. Lette Foetal Attraction (1994) 185: A charming piece of graffiti caught her eye: ‘Never mind the love and passion; whack it up her doggy-fashion’.
[UK]Indep. Rev. 19 Jan. 7: 99 per cent of the straight couples said the doggy position was best.
OnLine Dict. of Playground Sl. [Internet] dog, doggy v. to have sex; usually vaginal (occ. anal) but effected whilst the female is in a kneeling position. Also seen in the form ‘Doing it doggy fashion’.