stands for "hey buddy on a friday night." term used by hean and jay which means having a sleepover on a friday night. other versions include: HBOASN, HBOAMN, HBOATN, HBOAWN.
by knobhead September 1, 2008
Get the HBOAFNmug. Get the HBOAFNmug. Get the HBOAFNmug.