1. As an adjective, A word to describe a mean or annoying being.
2. As an insult, A word to annoy another person.
3. As an adjective, a word that describes a person who thinks he knows everything.
Official Meaning
Meaning 1: (Man) That boy is really lumpatious (Man 2) I know right.
Meaning 2: (Boy) Ha ha Ha ha, you are so lumpatious! (Person getting insulted) Stop annoying me!
Meaning 3: (Person) I know everything, fact! (Boy) Stop being lumpatious.
4๐ 1๐
Your thinking about your big day tomorrow and your so exited that you don't want to go to sleep but in the next hour you are snoring รฐยยยด. Just tells you that sleep just is unpredictable !
Person "ahh I don't want to go to sleep " In the next hour Person is snoring loud