Highball and Slug

Highball noun - A mixed drink made of alcoholic liquor mixed with water or a carbonated beverage and served in a tall glass.

Slug and highball are semantically related. In some cases you can use "Slug" instead a noun "Highball".

Slug noun - A hard strike with a part of the body or an instrument.

Highball and slug are semantically related. Sometimes you can use "Highball" instead a noun "Slug".