thank-you-ma'am
thank–you–ma'am
noun \ˈthaŋk-yu̇-ˌmam, -(y)ē-\Definition of THANK-YOU-MA'AM
: a bump or depression in a road; especially : a ridge or hollow made across a road on a hillside to cause water to run off
Origin of THANK-YOU-MA'AM
probably from its causing a nodding of the head
First Known Use: 1849
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