It means to insult someone repeatedly (verbally-usually using things about them, yo mama jokes, etc)

prison term for jacking off

Mercilessly revving an internal combustion engine beyond it's sensible limits. (Australian)

Gay slang for anal sex.

Originally used by pilots to alert their wingmen/AWACs that they are in dogfight range and firing their cannon as opposed to their longer-ranged missiles.

Used by young adult males to alert their wingmen that they are breaking away to engage a target female at close range.

A complex arrangement of metal parts that is capable of discharging a lead peice at very high speeds, high enough to penetrate fleash and thin slabs of wood. Serves as humankind's (so far) permanent replacement for spears, staffs, swords, daggars, etc. as most effective weapons. Most commonly used for self-defense, murder, killing hostiles, recreational shooting, the standard issue weapons for armies, militias, etc.