guerrilla shopping - what it is and how do I do it ?

noun, adjective

1.

guerrilla

[guh-ril-uh] 

noun

1.

a member of a band of irregular soldiers that uses guerrilla warfare,harassing the enemy by surprise raids, sabotaging communication and supply lines, etc.

adjective

2.

pertaining to such fighters or their technique of warfare:

guerrilla strongholds; guerrilla tactics >>>

guerrilla shopping !