KEEP YOUR HAIR ON
What's the "keep your hair on" mean?
A dear friend asked me this slang's meanning today, but i am so sorry that i don't kown either.
Does anyone know? I will appreciate you if you tell me the answer!
By the way, please forgive me to make a complain here, my work is too busy recently, i feel so tired. I want to relax myself but i can't find a suitable way. Ho, my god! A poor kid!