Source : WordNet®

fuck
     n : slang terms for sexual intercourse [syn: {fucking}, {screw},
          {screwing}, {ass}, {nooky}, {nookie}, {piece of ass}, {piece
         of tail}, {roll in the hay}, {shag}, {shtup}]

fuck
     v : 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}, {jazz}, {eff}, {hump},
          {lie with}, {bed}, {have a go at it}, {bang}, {get it on},
          {bonk}]