stick–in–the–mud
1 ENTRIES FOUND:
plural
stick–in–the–muds
plural
stick–in–the–muds
Britannica Dictionary definition of STICK–IN–THE–MUD
[count]
informal + disapproving
:
someone who has old-fashioned ideas or who does not like trying new or exciting things
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He's just an old stick-in-the-mud.
