noun which may take the genitive case particle 'no'
bearded; with a bushy beard
Describes a person with a thick, unkempt, or bushy beard. Often carries a slightly rough or scruffy nuance.
ひげもじゃの男性がカウンターに座っていた。
A bearded man was sitting at the counter.
彼はひげもじゃの顔で出社して驚かれた。
He surprised everyone by coming to work with a bushy beard.
ひげ is the general word for facial hair (beard, mustache, whiskers). ひげもじゃ specifically emphasizes a thick, bushy, or unkempt beard.
Compound of ひげ (beard) and もじゃ (mimetic word suggesting a tangled or bushy state). The exact origin of もじゃ is uncertain, but it is likely sound-symbolic.