The act of one looking good.
Damn Jim, you lookin space shutter (good)
When you pull the buttplug out, but the butthole remains open, AKA anal gape
Omg I heard Rose licked Erin’s rusty shutter, I swear those girls belong in Brazil!
When you're lured into someone's house under false presences, only for your host to 'let the shutters down'. Usually under the guise of a sporting event
I’ll put the shutters down on Saturday if we go back to mine to watch the rest of the games
An involuntary muscle-twitching dat a camera-shy person feels from either having to press da release-button to take a photo, or when he hears da click of da camera when a picture is being taken of him.
One simple way to mostly eliminate image-blurring from fairly-minor shutter-shudder is to use a fast exposure-speed (and a flashbulb, too, if it's fairly low-light conditions); you may need to use a suitably large lens and wide aperture-setting to accommodate said swift-click camera-snap.
Similar to a Peeping Tom, a Shutter Sheldon is a creep who takes/obtains inappropriate photos of someone who is not aware of it. This can be done by incognito photography or by going through a person's personal photos and sending said photos to themselves for later viewing/use.
Also applicable as a verb.
Noun
Jonathan took pictures of a girl while she was changing, this makes him a Shutter Sheldon.
Verb
"Friends don't shutter sheldon their friends. That makes you an asshole."