1. To bring
influence to bear upon any
official by
bribery or other means in order to obtain
favors or
concessions not provided for by the
law.
2. To
put one's hands up at the order of
armed robbers or
police.
3. To reach for a
pistol or other
weapon. "The
bull (detective) reached, and Buzz
banged (
shot) him in the
conk (
head)."
- american underworld dictionary - 1950