The method by which a person gains notoriety or fame by having sexual intercourse with one or more already famous A, B, C or D-list celebrities. This is usually obtained by producing an intentionally leaked "sex tape" with said established celebrity.
Heather Mills-McCartney is the most bang-famous, one-legged, former model ever to come from England.
1) How you might describe the noise a firearm produces as it discharges a round
2) To have sex, especially in a post-highschool context such as a summer party or holiday. Usually the term used by males to emphasise the satisfaction they derive from having sex with a girl they may have been after for a while, or had only met earlier in the day or week.
1) Pedro's 12-bore made a loud bang before Jimbo dropped to the floor screaming and clutching his ankle".
2) "I finally got to bang Sophie last night. It's been a long time coming goddammit".