Green’s Dictionary of Slang

doggy style adv.

also doggie style, doggy, dog style

used to describe sexual intercourse in the rear-entry position.

[US] in G. Legman Limerick (1953) 302: They crawl down the aisle / While fucking dog-style.
[US]W. Burroughs Naked Lunch (1968) 138: Greek lads white as marble fuck dog style.
[US]Trimble 5000 Adult Sex Words and Phrases.
[US]L. Bangs in Psychotic Reactions (1988) 33: Think I’ll rape my wank-fantasy cunt dog-style tonight.
[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.
[UK]I. Welsh Trainspotting 181: The Sick Boy is going round tae Marianne’s the night for some sick fun. Doggy style must certainly be on the menu.
[UK]Indep. Rev. 19 Jan. 7: 99 per cent of the straight couples said the doggy position was best.
[US]‘tifmadken’ ‘Jenny’s Work’ [Internet] 25 Dec. He hastily got around behind her and she realized he was going to fuck her again, doggie style this time.
RogReviews.com [Internet] If the two position fuck feels a little rushed, it is only so he can go back to doggy to fuck this Dutch dickhound in her hot little asshole.
[US]UGK ‘Like That’ [lyrics] Do it doggystyle I’m gon’ hit that / For an hour or two.