When the DJ announced a contest, the phones 'lit up'. [=the lights on the phones lit up because many people were calling]
His eyes/face 'lit up' [=he looked very happy and pleased] when she walked in the room.
He 'lit into' his employees for their sloppy work. [=he criticized them very harshly]
(..) just armloads of guns. They had these green boxes of ammo at their feet, and they saw two of us out in the open, broad daylight, and they just lit us up. And we thought we were dead. Not a single bullet hit us. We thought it was some kind of miracle. Now, there's two ways to look at that story. (..)2016 TvShow: 12 Monkeys Title: Lullaby Season: 2 Episode 8