thank-you-ma'am

[ thangk-yoo-mam ]
/ ˈθæŋk yʊˌmæm /

noun

a bump or depression in a road that jars a person riding over it.

Origin of thank-you-ma'am

An Americanism dating back to 1840–50

Words nearby thank-you-ma'am

thank, thank god, thank one's lucky stars, thank you, thank-you, thank-you-ma'am, thankee, thankful, thankfully, thankless, thanks