AOL
AOL (interjection) means Internet slang for "I agree" or "me too," used to pile on to someone else's comment without adding anything new. Example: “Someone posted "this show is amazing" and twenty replies just said "AOL.”
How to use AOL
Learner’s notesIn plain EnglishAn old internet-slang way of saying "same" or "I agree," often used a bit mockingly.
Not related to the company AOL (America Online) itself — this is slang mocking a stereotype of its users, not the brand.
Internet/forum slang, mostly nostalgic or ironic today rather than in everyday use.
Fill the gap
Can you complete this real example?
Someone posted "this show is amazing" and twenty replies just said "_____."
Etymology
Started as a jab at America Online users, who were notorious in 1990s internet forums for posting low-effort "me too" replies.