humour

- Doc, every night I see the same horrifying nightmare. Someone who wants to kill me is chasing me. I run, I run, I keep on running and arrive at a large door with a large red sign. I push on the door, push, push again and again but it won't open! The man that's chasing me keeps on closing in and has this large knife.
I scream in my sleep and wake up all sweaty and terrified.
- Hmm, interesting. Say, can you recall what is written on the sign?
- PUSH