Top definition
The act of putting a bar of soap in a condom to get i slinging force and launching it across the mess hall killing another inmate.
LilNuz yells - Get down he has a prison missile!

*LilSwag launches the Prison missile.*

*LilNuz - Struck in the head and dies. *
by Wutang Raised Me June 03, 2013
Get the mug
Get a Prison Missile mug for your boyfriend Jerry.