غلط‌گیری‌ها

what she mean saying 'pass the class', another words please https://www.youtube.com/watch?v=rpg2t1gD6pU what means 'bombed a test'? and https://www.youtube.com/watch?v=rpg2t1gD6pU it is normally skip a modifier in conversation.

'I definitely completely bombed (a) defect Ham test'