If he had to go to the bathroom he would have to bang on the door until someone let him out.

CNN: Report: Registry does more harm than good for teen sex offenders

One night there was a big bang on the door.

NPR: Lang Lang: A Life In Music, So Far

After a while, they heard a loud bang and then they heard shooting and black smoke started to fill their home and police knocked on the door to make sure they were all right.

NPR: Financial Crises For Ga. Man Who Held Firefighters

The Jagiellonian University is marking its 600th anniversary next year by opening the first buildings on a new campus, to include a centre for molecular biology and a technology park, bang next door to the Papal Theological Institute.

ECONOMIST: Polish education