n.1. Coined by Ice Poseidon's audience, Sitting Andy is a nickname given to Z-list celebrity Andy Milonakis. Due to Andy's content on twitch.tv consisting of sitting and eating, it is an entirely appropriate and well deserved nickname.n. and v.2. A livestream on Twitch.tv's IRL section where the broadcaster would sit and eat while interacting with his/her audience. This can also be used as a verb.