1. (US) a trunk.
|Daily Trib. (Bismarck, ND) 23 Oct. 4/1: A trunk is a ‘bumper’.|
2. (US/W.I.) the buttocks [? play on keister n. (1)/keister n. (5)].
|Official Dancehall Dict. 7: Bumper the behind: u. woman, me love yu bumper/ I love your rear end.|
|‘Could Have Been’ [lyrics] Pretty face, small waist, big bump-per. / Tight pum, firm boobs in her jump-per.|
|‘Twerk’ [lyrics] Gyal dem shakin their bumpers / Twerk, twerk, twerk, twerk, twerk, twerk, turn up.|
3. usu. in pl., the female breasts; occas. buttocks.
|You Chirped a Chinful!! n.p.: Bumpers: Upper front or lower back of a girl.|
|(con. 1944) Naked and Dead 485: What bumpers on her.|
|Fill the Stage With Happy Hours (1967) Act IV: Couple of sequins on her bumpers.|
|Gonif 102: Babes with big Bumpers Wanted. For Shipboard Duty.|
|Who’s Been Sleeping in my Bed 48: Those bumpers of hers they’re like the tip ends of torpedoes.|
|Modern English 77: tits (n): Bumpers.|
|Dict. of Obscenity etc.|
|Homeboy 15: Joe rebounded two feet off the fortyfour triple-D bionic bumpers attached to Bermuda Schwartze.|
|Birthday 92: But I still like nudging into your front bumpers.|
4. (US) the vagina.
|Cogan’s Trade (1975) 44: I should’ve told her, go out and throw the bumper around.|
(US black) a woman’s posterior or buttocks.
(US lesbian) of lesbians, vagina to vagina, said of dancing or sexual intercourse.
|Queens’ Vernacular 38: bumper-to-bumper 1. tribadism, i.e. rubbing vulvas in a face-to face position ‘Not all gay women do it bumper-to-bumper; some prefer sixty-nining instead’. 2. close, intimate dancing or standing close together, vagina to vagina.|