1.Someone who decides to stay in all the time/pussy out of everything when it getss grim.
2.A person who is easily manipulated, but is a complete utter twat.
1.
He got a taxi home again? What a willow
2.
Wideyed chap 1: You probably shouldnt paint that lion.
Wideyed chap 2: Fuck you, whats connor gonna do? Hes a complete willow.