a4a 

abbreviation for adam4adam

did you see _____'s profile on a4a?

a4a by Remixed January 2, 2010

a4a 

affiliate for affiliate
usually used with layout sites

hey flavor splash,
a4a?

a4a by lnzycks October 22, 2007

a4a 

Abbreviation for auth4auth

Commonly used on Discord for authentication servers
Auth (Discord) will most likely mean bot authentication, where you would be joined into a server by a Discord bot.

a4a (auth4auth) will mean you will give the person asking you for a4a server members, in return you will give them server members. (Discord Server)

yo, wanna a4a?

a4a by Hennerss April 5, 2024