Boop 

A monotone fart, usually medium in pitch, and average in length.

Booping is the most common fart.

Boop by Artsicle June 5, 2017

Boop! 

The sound effect used to delineate that someone has just said something utterly stupid. Derived from the sound an answering machine makes, thus indicating nobody is home.

Person 1: Hey, what country is China in?
Person 2: Boop!

Boop! by Therese Ascent March 23, 2008

Boop! 

A conversation starter through social media i.e. When you want to reconnect with someone you haven't spoken to in a while and you have no topic to talk about, so anything you say will be random.

Guy: Boop!

Girl: Oh hey guy! That was kinda random! How ya been :D

Guy: Not bad, not bad...

Boop! by sxetano October 18, 2012

Boop! 

A word used at the end of a video made by famous youtuber Toby Turner aka Tobuscus.

"Peace off! Ba da do do do do do do do Subscribe! Boop!"

Boop! by AllThingsBuscus February 14, 2012

boop! 

A much-underused exclamation. Must be written with an exclamation mark afterwards as above. Effective when interposed with other nonsense words (see examples below). Usually used frequently, in rapid succession, to annoy/provoke others. Works well on high school teachers, especially those teaching physics.

1 - "Boop!"
2 - "Boop de boop boop boop!"
3 - "BOOOOOOP!!!"
4 - "Boop..... boop boop boop..... boop.......BOOP!"
5 - "Beep boop!"

boop! by some Scottish guy August 19, 2006

Boop 

When grabbing your girlfriends butt, one simply says "boop"

Before I leave just one more boop
*grabs butt*, *boop*

Boop by wetshoes August 15, 2017

Boop 

Is a adorable little noob that thinks they are good at sniping while they aren’t. They are very big noob.

Aerith is a boop.

Boop by GoofInHiding January 1, 2019