Woodwork is originally a word used to refer to the goal frame (aka cross and bar). To hit the woodwork is to hit the post or almost score this the phrase is famously used by Mulungushi University Med-students to refer to a girls rejection to a man's proposal.
Mans 1: "I shot my shot and hit the woodwork bro, peng-ting performed.ð"
Mans 2: "I thought you two was vibing on som'n real?"
Mans 1: "I thought the same bro but..."
Mans 2: "shit happens.."