I. ˌhȯi-tē-ˈtȯi-tē, ˌhī-tē-ˈtī-tē noun
Etymology: rhyming compound from English dialect hoit to play the fool
Date: 1668
: thoughtless giddy behavior
II. adjective
Date: 1812
1. : thoughtlessly silly or frivolous : flighty
2. : marked by an air of assumed importance : highfalutin