hump
     n : something that bulges out or is protuberant or projects from
         a form [syn: {bulge}, {bump}, {gibbosity}, {gibbousness},
          {jut}, {prominence}, {protuberance}, {protrusion}, {extrusion},
          {excrescence}]
     v 1: arch one's back [syn: {hunch}, {hunch forward}, {hunch over}]
     2: have sexual intercourse with; "This student sleeps with
        everyone in her dorm"; "Adam knew Eve"; "Were you ever
        intimate with this man?" [syn: {roll in the hay}, {love},
        {make out}, {make love}, {sleep with}, {get laid}, {have
        sex}, {know}, {do it}, {be intimate}, {have intercourse},
        {have it away}, {have it off}, {screw}, {fuck}, {jazz}, {eff},
         {lie with}, {bed}, {have a go at it}, {bang}, {get it on},
         {bonk}]
Source: WordNet® 2.0