mouse hole v.— «“One man makes for the stairway, covered by bullets of the others shooting ahead of him. At the same time two or three men can enter the house and begin to ‘mouse hole’ into the next forom from the secured ground floor...
grenade n.— «The problem was the third leg of this female tripod: the grenade. Now, this is a term my roommates and I use to describe the friend of the hot girls who was not blessed with the same physique as her head-turning counterparts...
flash-bang n. an explosive device that emits noise and light but is not intended to cause damage. Editorial Note: Flash-bang grenade is the full, more common, form. (source: Double-Tongued Dictionary)