Which one of these is your favorite??
General terms:
Strap, burner, heat, heater, handle, grip, pipe, can, hammer, piece, tool, ratchet, blicky, thing/thang, joint/jawn, chrome, iron, metal, arm, banger, biscuit, flamer, gat, llama, steel, nose, toner, tone, instrument, scorcher, flame-thrower, thumper, jammy
Caliber Specific:
9 millimeter - nine, milli, nina, m&m, nine-mil, mil
.45 caliber - four-pound, pound, fever, five, four-fifth, fifth
.38 - Tre, eight
.22 caliber - Deuce, deuce-deuce, Emmit Smith, Smith ( also slang for Smith and Wesson )
.357 Magnum - Tre-five, Tre-five-seven, Tre-pound, Mag, Trojan, Tre ( occasionally )
.50 AE - Fifty, five-O, point-five
Brand/Type Specific:
Shotgun - Shotti, firestick, flamestick, boomstick, marty-grizzle, grizzle, stick, pump ( pump action only ), gauge, 12, Elmer Fudd, Fudd, walking stick, cane, thump-button
Desert Eagle - Desi, Desert, Eagle, Bird, D-E
Ak-47 - Chopper, K, Forty-seven, Kalashnikov
Uzi - Ooze, machine ( Usually an Uzi, but other sub-machine guns as well )
Smith and Wesson - S and W, S-dub, Smith, Wes
Honorable mention "FO FO" 44.