What is the meaning of Bicho?

bug (alternative form of becho)

beast (non-human animal)

bug; minibeast

severely aggressive person

buddy (close friend); also used as a general informal form of address

ellipsis of jogo do bicho

first-person singular present indicative of bichar

bug

vermin

beast (non-human animal)

vulva

penis

youngster, kid (boy, or young man)

alternative spelling of bitso

Source: wiktionary.org