When something is really really good.
As Shaggy said, "I'm Mr. Boombastic say me fantastic touch me in my back she says I'm Mr
Ro...mantic "

Dude 1 - "How was the party?"
Dude 2 - "Boombastic!"

Dude - "She is Boombastic!"
by Michael The Bone May 25, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
Top Definition
When something is fantastic, but you want to sound ghetto.

As Shaggy said, "I'm Mr. Boombastic say me fantastic touch me in my back she says I'm Mr
Ro...mantic "
Dude 1 - "How was the party?"
Dude 2 - "Boomtastic!"

Dude - "She is Boomtastic!"

Another word for "Boombastic"
by Michael The Bone May 25, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
A word that mean absolutley and fantastically AMAZING!!! basically a word to use insted of amazingley (use Boom) and for absolutley fantastic (use tastic) BOOMTASTIC!!!
Dude 1: "WOAH!!!! that was totally Boomtastic dude!"

Dude2: "Richeous! how'd he do that?"

Street Skating Dude: "Yeah...I'm just that Boomtastic!"
by Jer-Hey!!! June 26, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
When something has good sound quality but lacks practicality..
You see someone with a car that cost about $500 but their audio system cost $5000- "man!, Dats Boomtastic!"
by BigM4C August 11, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt
Boomtastic is a word which is used at schools, box socials, and other functions and social gatherings, in an attempt to sound like some sort of mammal?! It can also be used instead of the word "the", but only in extreme situations.
1 - "Hey there Jacob, say, that'a a boomtastic moustache you've got there"
"I don't have a moustache"

2 - "Good one Julian! That was really boomtastic, now go get a haircut"

3 - "I went down to boomtastic shop boomtastic other day, and guess who I saw there? It was that slut from boomtastic party at Michael's house"
by Frankie Mondat May 31, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt