To make a (video) chat lag and/or freeze by spamming the comments. Usually due to a large amount of lurking people suddenly reacting to someone appearing on the webcam after hours of staring at a table/notebook/etc.
Coming from Ryland Blackinton's (Cobra Starship) "Who froze Jesus?" reaction to someone's "Jesus it's frozen" comment upon the sudden lag in the video.
Also see shelf kids.
Shelf kid #1: OMG I SAW SOMETHING MOVE!!!1!
Shelf kid #2: OMFG ME TOO RIGHT THERE IN THE RIGHT CORNER!!!
Shelf kid #3: IT'S GABE OMG HI GABE GABEY GABEY GABEY!!!11!!1
Shelf kid #1 & 2: GAAAAAAAABE HI GABE SOUND PLZ GABEGABEGABE SOUNDDDDDD!!!!! COME ON GABE QUIT TEASIN US UNMUTE PLZZZZ!!11
Shelf kid #4: Stop freezing Jesus, y'all!