It's a strategy in Portal 1
Speedrunning based around skipping the opening of "flippy_turret_door_12", a func_door_rotating entity, in order to save time. It is known to be the longest expression for a
speedrunning trick.
Also called "
flippy skippy".
Azorae : "I just
missed the turret flippy skippy tricky flingy wingy swingy thingy"
Chat : "
Ehh timeloss :( "