Top Definition
The action in which someone tucks there lips in so it appears as the person has no lips or mouth. Popularized by Riley B. Most commonly used by middle-high school students.
He uses the "Riley smile" for every picture.
by Farmer Jenkins February 10, 2014
5 Words related to Riley Smile

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.