Definition

Hard liquor spelled with intentional misspelling (vodka, gin, cognac, etc.), making booze sound simultaneously dangerous and fun, as if the creative spelling mattered after three shots.

Example Usage

These two badd waters mixed together hit way harder than I expected last night.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=Badd%20Water&defid=12516555)