Stuffy, musty, or stale-smelling; unkempt, shabby, or slovenly in appearance.
British English term with uncertain etymology, possibly from Dutch or Low German origins meaning stuffy or dank; may be related to the verb 'froust' meaning to lounge in stuffy conditions.
Frousy is wonderfully specific to British English—there's something about how they describe stuffy rooms and shabby people that other languages don't quite capture.
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