'stick-in-the-mud' definitions:
Definition of 'stick-in-the-mud'
adjective
(used pejoratively) out of fashion; old fashioned; "moss- grown ideas about family life" [syn:
fogyish, moss- grown,
mossy, stick-in-the-mud(p),
stodgy]
noun
Someone who moves slowly; "in England they call a slowpoke a slowcoach" [syn:
plodder,
slowpoke, stick-in-the- mud,
slowcoach]