a very enthusiastic way to say the word beer
Matt: jay and hean, wanna BEEERA?
Jay and Hean: of course
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.
Jay: hean, wanna have a HBOAFN tonight?
Hean: whea