fear-fucker 

A person, usually female, who uses sex as a means to justify their existence. The result being a temporary alleviation of the fear of invisibility.
Sexual bulimia

"It's not that Jenny is a slut, per se, she's a FEARFUCKER. She thinks that getting reamed by any stranger qualifies her as a 'Hottie'"

fear-fucker by Cyn March 18, 2004

fear-fucked 

When you’d love to do something, but you’re terrified of doing it.

John: Hey man, wanna go skydiving?
Jim: Sorry man, I’m too fear-fucked.

fear-fucked by dap_ May 19, 2022

fearfucker 

Someone who actively seeks out ways to cheat death. A daredevil.

Man, check that fearfucker, jumping off cliffs and shit.

fearfucker by Jeff Lyons September 12, 2006