ass. rack. face. Guys say arf if there is a good looking girl within hearing distance. arf stands for ass rack face. If a girl is an arf, it means shes hot.
"hey dude, arf at 12 o' clock"
by PhoenerWeiner77 April 16, 2008
Get the arfmug. You are such an arf.
by Nick Samuels November 29, 2016
Get the Arfmug. Arf stands for A Real Fail meaning that the person who has used the word Arf sees something as being unfair or they made a dumb decision to an attempt at doing something.
Little Susie wanted to cook something to eat like rice. So she goes into the kitchen cooks it but she ends up getting it all over the kitchen so she says "Arf."
by Blewwur Kisses CeCe December 11, 2011
Get the Arfmug. The sound a young teenager makes to avoid using the words "oh fucking hell" im front of adults in positions of authority.
Norbert is praticing the drums in front of a teacher in a music class and makes an awful mistake "Arf!" shouts Norbert luckily avoiding detention.
by Jezz October 26, 2006
Get the Arfmug. by Jack Kilner October 28, 2003
Get the arfmug. 
When you have just raped, destroyed, dissed, BxR'd or had multiple counts of unprotected sex, this is your war cry afterwards.
by asexybum December 2, 2007
Get the Arf Arfmug.