Dandiprat (noun) (archaic)
A young or insignificant person.
Early 16th century (denoting a coin worth three halfpence)
“He’s a self obsessed dandiprat!”
Speak or act in an evasive way.
Mid 16th century (earlier ( Middle English) as prevarication and prevaricator), in the sense ‘go astray, transgress’: from Latin praevaricat- ‘walked crookedly, deviated’, from the verb praevaricari, from prae ‘before’ + varicari ‘straddle’.