Agnosexual: A person who has yet to decide on how to categorize his sexuality.

Anal Beads: A class of sex toy consisting of balls of various size strung together on a string or a flexible rod. Pleasure is not as much derived from the insertion of these beads, as from their extraction. Despite how tempting it may be, anal beads should not be ripped out with the same enthusiasm with which one yanks the cord of a lawnmower. Synonyms: Chinese/Oriental love beads, string of pearls, siamese strings.

Anal Bleaching: A cosmetic procedure in which chemicals or lasers are used to lighten the darker skin around the anus in order to make it match the lighter skin of the buttock. The process originated with female porn performers before seeping into mainstream populations in the early 2000s with the rise of free, online porn.

Analingus: Oral sex performed on the anus. Synonyms: ass blow, blow some ass, clean the kitchen, lick the fudge bowl, lick the jar/bowl clean, rim job, rimming, suck asshole, sugar bowl pie, toss the salad,

Anal Sex: ass fuck, ass sex, brown holing, bugger, bum fuck, butt bang, butt fuck, corn holing, digging a ditch, dipping a finger in the fudge, DNA (dick in ass), fishing for mudfish, fourth base, fudge packing, going down the dirt road, Greeking, hump the dump, lube the tube, making pound cake, packing fudge, pack the poop chute, painal, plan B, popping it in the toaster, pumper in the dumper, pushing shit up hill, ram job, ream, rectify, rump raid, saddle up, shit fuck, stir fudge, third way, traveling the Hershey Highway, using the servant's entrance...

Angry Dragon: A male orgasm deep in his partner's mouth while she keeps her lips tight around his penis, with result that the semen erupts from her nostrils.

Around the World: When the woman spins 360 degrees atop her partner while maintaining penetration. Ideally this is performed in one motion.

Ass arse, backend, backside, backyard, behind, booty, bottom, bum, bumper, buns, butt, buttocks, caboose, can, candy apples, cheeks, culo, derriere, fanny, junk in the trunk, heinie, hindquarters, moon, keister, posterior, rear, rear end, rump, stern, seat, tail, tail end, tooshie, trunk, tush, yeasty buns... 

ATM: Ass-to-Mouth: When a phallus transitions directly from anal to oral sex.

BBJ: “Bareback blow job.” (Bareback: without condom)

Butt Plug: Usually a short, squatty sex toy inserted in an asshole to loosen up the sphincter before anal sex.

DP: “Double penetration.” When a woman is simultaneously penetrated anally and vaginally. Synonyms: sandwich.

Dutch Girl: Lesbian.

Dutch Oven: When you fart while in bed with a partner, then pull the covers over both of you.

Dutch Treat: When attempting a Dutch oven, you accidentally defecate in the bed.

DVDA: “Double-vaginal, double-anal.” When a woman has two phalluses in her vagina and two in her anus simultaneously. Origins: the film, Orgazmo.

E-void: Ignoring someone's attempts to flirt via various electronic mediums: text, email, facebook, twitter…

Fisting: Inserting a fist into an orifice.

Gagging: Most often refers to a partner choking during fellatio and deep throating.

MBA: “Married but available.”

MILF: “Mom I’d Like to Fuck.” Also a popular category of porn that describes women with voluptuous curves. Origins: Coined by the film American Pie.

Rimming: ass licking

Spanking: hitting the back side

Squirting: the ejection of fluids from the vagina in arousal