Definitions by MagpiesNU45

on a keck 

Being "out of ones mind", foolish, dreaming

Boy 1: Rick Ross is the best rapper of all time
Boy 2: Your on a keck son

Johnny: Its a nice walk, its only 40 minutes away
Graham: Thats far
Bill: He's on a keck

on a keck by MagpiesNU45 February 6, 2013