What do you mean, it’s a happy meal in a hot car?

(Adjective) So serious, you can never, ever joke around when someone says this, under any circumstances.

When You are riding in the middle seat in a SUV while two older men Harass (rape you), for at least 7- 10 minuets. With led Zeppelin playing in the background.

The stairway is the booty, as in the stairway to heave vs the mountains of madness.(boobs)

When a really great song is played waaaay too much and you can't stand to hear it anymore, it becomes 'stairwayed'.
This refers to Stairway To Heaven by Led Zeppelin ... which is , quite possibly, the first song to attain this status.

When standing on an escalator going up and someone behind you stick their finger in your bum.