What is the meaning of Heu?

Second-person singular personal pronoun; you

inflection of haver:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

inflection of heure:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

hoy (small coaster vessel)

past participle of havoir

alternative spelling of euh

down, fuzz

fine spines in sugarcane or cactus

bristle

sprouting

oh! alas! ah!, ay! (expressing dismay, grief, pain, indignation)

to separate, to pull apart or asunder

to clear, to remove

razor

to shave

overgrown

scrub, undergrowth

alternative form of yow

hoy

green

Source: wiktionary.org