When a girl sucks a guys finger, as an example of how it will feel when she gives him a blowjob.
Oh my god man, Suzy gave me a preview, I'm so excited for Friday night now!
by Someguyonurbandictionary6 June 20, 2011
to provide a potential suitor with images of various parts of one's body, usually taken with and emailed by cellphone, in advance of an assignation
Of course he went with her ... she previewed him Tammy's boobs!
by H. H. Buchanan May 05, 2008
whenever a bitch really wants it, and you slip it in once, pull out and tell the bitch to leave.
ryan colburn wanted a preview.
by Anonymous April 27, 2003