A person who is sassy and bitter, commonly is insensitive to other people's ideas and tries to bring them down by pointing out mistakes to gain a short-lived confidence boost. Commonly known as a bully.
Person 1: I don't like your hair and you should really style it better, or cover it up with rat fur
a friend (usually female) who behaves in a suggestive or promiscuous way, but due to your lack of desire to compromise or damage the friendship, you accept their provocative behaviour, although you acknowledge it through deeming them a ‘minxy moo’ in a playful way (also known as banter).
jebediah : omg sally you’ve flirted with ALL the boys at this party haha !!
sally : omg jeb do you think i’m a hoe !?!
jebediah : omg NO you’re just being a minxy moo haha omg !!