"He is drinking juice."

Translation: Il boit du jus.

[FelicityWi13]

Is that a typo or is boit a new word?

[CommeuneTexane]

This is not a typo. Boire (to drink) is conjugated:

je bois
tu bois
il/elle/on boit
nous buvons
vous buvez
ils/elles boivent