Word used as a separate thought from the main story, only to go back to the story later. Much like eating the main entre of a dish but suddenly your waiter brings a taco on a separate plate. You stop to eat the taco and later continue to finish the entre.
Dude, I sent my mom a potato in the mail with Happy Mothers Day on it and...oh side taco, I once tried to give a hobo money only to find out it was a trashcan. So yeah! She was excited about the potato. Ha!
Person 1: Yo, I hear theres a jump off going on right now called East Side Taco Festival.
Person 2: Yeah it's Movable Feast, so you know it's hella good!
Person 1: ESSJ x MF!