もさもさto be hairy (of a person), to be thickly bearded, to be dense (of vegetation), to be thick, to be slow (of a person), to be dull

モサモサしないで、さっさと行動(こうどう)しなさい！

Stop dilly-dallying and take action immediately! {to be hairy (of a person), to be thickly bearded, to be dense (of vegetation), to be thick, to be slow (of a person), to be dull}

空(あ)き家(や)の庭(にわ)には雑草(ざっそう)がモサモサと蔓延(はびこ)っている。

Weeds are spreading densely in the yard of the vacant house. {to be hairy (of a person), to be thickly bearded, to be dense (of vegetation), to be thick, to be slow (of a person), to be dull}

髭(ひげ)がモサモサ生(は)えている人(ひと)より髭(ひげ)がない人(ひと)の方(ほう)が好(す)きだ。

I prefer people without beards over those who are thickly bearded. {to be hairy (of a person), to be thickly bearded, to be dense (of vegetation), to be thick, to be slow (of a person), to be dull}

彼(かれ)は自分(じぶん)の胸毛(むなげ)がモサモサと生(は)えているのを何故(なぜ)か誇(ほこ)っている。

He is, for some reason, proud of his thickly bearded chest hair. {to be hairy (of a person), to be thickly bearded, to be dense (of vegetation), to be thick, to be slow (of a person), to be dull}

女性(じょせい)だからと言(い)って、モサモサの毛(け)を剃(そ)らないといけないわけではない。

Just because you're a woman doesn't mean you have to shave your thick hair. {to be hairy (of a person), to be thickly bearded, to be dense (of vegetation), to be thick, to be slow (of a person), to be dull}