killasqwilla Share definition Flag A Jail term. A "Sqwilla" is a squealer or a NARC. So kllasqwilla means to kill orsomehow do injury to said NARC We're gonna killasqwilla tonigt. that sqwilla told the gaurd that I shanked Ed. killasqwilla by Kichi June 23, 2003 0 0 Get merch Get the killasqwilla mug. Buy Now — $32.95 See more merch