From Longman Dictionary of Contemporary Englishrandyrand‧y /ˈrændi/ adjective British English informal  SYSEX/HAVE SEX WITHfull of sexual desire SYN horny She was feeling very randy.Origin randy (1800-1900) randy “rude and loud” ((17-19 centuries)), from rand “to talk angrily and complainingly”, an old Scottish English form of rant 
                                                    
                                                
