Source : WordNet®

stick-in-the-mud
     adj : (used pejoratively) out of fashion; old fashioned;
           "moss-grown ideas about family life" [syn: {fogyish}, {moss-grown},
            {mossy}, {stick-in-the-mud(p)}, {stodgy}]
     n : someone who moves slowly; "in England they call a slowpoke a
         slowcoach" [syn: {plodder}, {slowpoke}, {slowcoach}]