Hang a Louie is an American slang term often used by drivers to indicate making a left turn. However, there are several synonyms that can be used instead of this phrase, including, but not limited to: take a left, turn to the port side, make a southpaw, veer to the left, and make a legal U-turn. Each of these phrases is easily interchangeable with "hang a Louie" and may work better in certain regions or cultural contexts. The use of such slang terms and phrases adds flavor and excitement to everyday language, making it colorful and unique.