In firearms, rifling is machining helical grooves into the internal surface of a gun's barrel for the purpose of exerting torque and thus imparting a spin to a projectile around its longitudinal axis ...

What does rifled through mean?

: to search through something quickly and carelessly often in order to take or steal something He rifled through the papers on his desk.

What does Riffed mean?

Filters. Riffed is defined as to have dismissed an employee because their job was eliminated. An example of being riffed is a teacher being let go because of budget cut-backs which decreased the number of teaching jobs. verb.