bottleholder
bottleholder · bottleholders
A person who attends a boxer during a boutA person who attends a boxer during a bout.
Meaning
2 senses(colloquial)A person who attends a boxer during a bout.
(broadly, colloquial)One who assists or supports another in a contest; a backer.
Origin
From bottle (“from the bottle of water that is provided to the fighter”) + holderFrom bottle (“from the bottle of water that is provided to the fighter”) + holder
Wiktionary, CC BY-SA 4.0 · source