What is the meaning of Uu?

Obsolete typography of w

up above

very

louse

two

who (asks for the identity of someone; used in a direct or indirect question)

who (introduces a relative clause having a human antecedent)

breast

alternative form of w

breast

cassava bread

The name of the Latin-script letter U/u.

The name of the Latin-script letter U/u.

hole, nest

Rōmaji transcription of うう

Used to express impatience (the lengthier the more impatient).

Used to express annoyance

shark

The name of the Latin-script letter U/u.

Source: wiktionary.org