To be on your phone during a party, conversation, sports event, or other place where it is inappropriate or antisocial.
"Yeah, we all went out to dinner for my birthday but everyone was just crassing."
© 1999-2015 Urban Dictionary ®
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.