It comes from chinese.
It is a nounalways Single FormalSeven-head is another term of idiot.It is more polite than just saying that you are idiotic.
P.S. It is different from Hot-head
RightThey are seven-head WrongThey are seven-heads They have seven-heads
when receiving a voice mail, you delete without listening at all, or without listening to the message in its entirety. this word can be applied to commonconversation:
"Oh my God, I sevened the party the moment I found out she lived in Queens".
When leaving a voice mail: "I know you're going to seven this message..."