[[A person is talking to a friend.]]
Person: I was literally glued to my seat through the entire--
Off-Panel: HAH!
Off-Panel: YOU MEAN "FIGURATIVELY"!

[[The off-panel voice came from a scary guy with wild hair and a big beard.]]
Person: Who are you?
Scary Guy: Eighteen years I've watched you!
Scary Guy: Waiting!

Ever since that day in seventh grade when you humiliated me.
[[We see the scene from seventh grade. Younger, normal-looking scary guy is standing with a girl; the younger version of the person he's addressing is standing with a friend.]]
Young Scary Guy: I told him and he literally EXPLODED!
Young Person: Uh, unless he physically BURST, you mean "figuratively."
Friend: Hah.
Remember?

Scary Guy: I knew one day you'd slip, and I vowed I'd be there to see you fall. HOW DOES IT FEEL?
Person: You are literally the craziest person I've ever met.
Scary Guy: You did it again!
Person: No, I didn't.

{{Title text: The chemistry experiment had me figuratively -- and then shortly thereafter literally -- glued to my seat.}}