The act of sending a love/sex interest a picture of your naked body through Snapchat, in order to prevent the receiving party from saving the picture of your naked body.
I was nervous if Jeremy would save my picture and show it to all his nasty friends, so I Snapflashed him.
by Alyx37 May 29, 2013
The act of sending a dick pic to an unsuspecting snapchat user
Shelby was snapflashed when she put her snapchat username on her tinder bio
by Caelinus January 04, 2016