BUCKER-UP

ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷, ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ noun

( plural buckers-up or bucker-ups )

1. : bucker I d

the bucker-up, who holds the red-hot rivet in place with a combination of iron bars and brute strength — San Francisco Chronicle

2. : bucking bar