It's an idiom to describe that you are afraid and do not want to do somethingbecause of this. It genarally happen with men when they go to talk with a gorgeous woman.
I took a shine to that girl and I decided to go there to talk, but when I was close to her I chickened out and turn down to go to my home.
I chicken out talking to girls.
Hym "Weren't you supposed to fight Cuckerbeard? You chicken out and then say the Venezuela guy is going to do the thing you literally did and then Gayve Jewbin strokes your fat retard cock over it like 'Yeah bro he totally owned them!' No Gayve Jewbin. That isn't what happened."
To back down, give up, or otherwise change one's mind to engaging or completing a given task, circumstance, or opportunity, often out of fear or lack of will
Chicken (of a person) - A person who has backed down or given up on a task, circumstance, or opportunity,
(coming out of a movie theater)
Guy 1: That was the worst movie ever, man.
Guy 2: I know! But! Leonardo DiCaprio was the best out of them, though. His acting blew everyone else's right out of the water! Too bad everything else sucked.
Guy 1: Oh, well. You can't make chicken salad out of chicken shit.