as a matter of fact
used for online gaming (specifically runescape cuz i made it up and thats wut i plays!)
dude 1: hey u wouldnt happen to have an abby whip for sale would u? ill buy 1.8m!!!!
dude 2: aamof i do! *trades*
dude 1: tyvvm!!!
dude 2: idiot they only worth 1.1m!
As A Matter Of Fact
A: Did you see Matrix:Revolutions yet?
B: Yes, AAMOF, I saw it the day it came out.
As A Matter Of Fact.
AAMOFly - As A Matter Of Factly
Used when being a smart ass. Mostly used when txting or over the internet.
guy1: "wow, no one has my name, lol"
guy2: "I know 20 Brians AAMOF"
guy1: "STFU fag"