Nabaste
When someone acts like they're the toughest in the room, but when it's time to prove it, they run like a rat with a gun to its head. They're full of hot air and zero courage.
He said he'd take me on, but when I showed up, he ran like he was being chased by a bear.
She said she'd beat me up, but when I showed up, she was hiding in the bathroom.
He talked trash all week, but when I hit him, he looked like he'd never been hit before.