An old car or hot rod's way of expressing respect for another car the driver thinks is sharp. The courtesy rev is often returned.No horns are involved because most vehicles who use the courtesy rev have long been without a horn.
by Dz302 July 11, 2008
by Nukanukanuka April 12, 2010
After someone adds you on Facebook and you immediately check their posts, look through their pictures and just generally creep on their profile for the first time.
by Rae05 September 16, 2011
When you "like" a status/post/photo on Facebook for the sole reason that nobody else has "liked" it yet and you feel sorry for the person behind it.
by Courtesylikesyourmom June 05, 2010
by LasagnaMan13 September 05, 2011
by Jamie coop Conway February 23, 2009
When you're using a public restroom and your shit smells so bad you flush it as soon as possible so as not to make everyone else in the restroom puke.
by Logroller September 07, 2005