Reddit

[Red-it]

Proper Noun

Reddit is a social news site that allows registered users to post content and articles in numerous categories that other users will then vote up or down in terms of popularity and placement on the site.

AMA ("Ask Me Anything")

[Ey Em Ay]

Noun

This is a topic in subreddit (Reddit) by one user to prompt questions from other users, usually for a set period of time.