A word appearing as ᴱN. balfaug “drunken” in Early Noldorin Word-lists of the 1920s, a combination of ᴱN. bal- “evil” and ᴱN. faug “thirsty” (PE13/138).
Neo-Sindarin: For purposes of Neo-Sindarin, I would update this word to ᴺS. rhufaug “drunken” using the later prefix rhu- for “evil”.
A neologism for “drunken” coined by Helge Fauskanger in his NQNT (NQNT), a combination of ᴹQ. limpe “wine” and -inqua “full”, with the vowel u indicating the “unpleasant” aspect of the fullness.