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1.
The using of a mobile camera to take photos down one's blouse, shirt,or dress. This is usually done without the persons knowledge or consent.
Whilst riding up an escalator i did some down-blousing.
by skgar October 24, 2007
 
2.
A digital form of blousing in which an individual searches for a good view down a womans blouse or shirt and snaps a digital picture most often using the camera in their cell phone.
I was down blousing at the mall last night and got some great shots of some girl bending over picking up her bags.
by William Gill December 19, 2005