What is the meaning of Hoo?

she

he, also a gender-neutral third person pronoun

hurrah; an exclamation of triumphant joy

Used to attract the attention of others.

how

A strip of land; a peninsula; a spur or ridge.

porcupine

Alternative form of who (who, nominative)

Alternative form of hough (hough, hock)

genitive singular of hoog

eek (displaying shock and surprise)

aitch (The name of the Latin-script letter H/h)

how

why

Source: wiktionary.org