Here's one that Dave uses frequently during his live DK streams. I think it merits inclusion in the "Barrel Stage Terms" section (or perhaps "General Terms/Multiple Stages").
Giving Seconds
A situation where a fireball initially eludes the hammer by darting up or down a ladder, then graciously returns, giving the player a second opportunity to dish out the deserved punishment.
Example (during the latter half of the hammer cycle): "Come on, give me seconds."