passenger pigeon

(dated) to threaten, to guarantee that there will be hell to pay, that there will be severe retribution, that there will be trouble

to shut up (remain (surprisingly) silent)

Alternative form of rave party

rave (all-night dance party with electronic music)

(informal) to come out of nowhere, to come out of the blue

the first step is always the hardest

not to know how right one is (said when someone who has uttered a statement doesn't know that this statement is even truer than they thought, for example because there is another dimension to it that they weren't aware of)

gliding sidestep, chassé

(informal) where's the fire? what's the rush?