a group of men/women all scared or in fear of the same thing/situation about to happen.
bob- "this cliff looks a bit sketchy to jump off of.."
fred- "yea man, total fear bond."
A bond created when a group of homies are all a little sketched out.
Guy: Bro, this big ass jump looks pretty sketchy...
other guy: Dude, word, major fear bond going on