a raver/dj that that took so many drugs he actualy thought he was a robot.

This saying is originally from a rather obscure meme that includes Max and Ruby. At the end of the comic, Max exclaims "BEEP BEEP LETTUCE" in response to a question Ruby asks.

Essentially, Beep beep lettuce can be used as an interjection whenever one feels it's appropriate or just want to mess around with whoever they are with.

How to tell Richie(from it) TO SHUT THE HELL UP EVEN THO IS A A CUTIE

What one says when one see someone odd and different.
When you see someone on drugs on the street.
When you see a person who is spazed out.
When a family member or friend does something spastic.
Whenever you see anything odd and unusual.

It's used when things can go unsaid. Can be used in place of the word "speechless".

A quote from the miniseries "Stephen King's 'It,'" it has become popularize on the iMDB LOST boards. It is used on anyone who tries to swear and is blocked by the profanity filter. Started by BadRobot22.

what to say when:

1. you see R2D2
2. someone is laughing randomly or for no reason
3. people in a larger crowd chant something with 3 syllables and you yell "beep beep boop"
4. its silent in a movie theater and you need to lighten the mood