Top Definition
Acronym for "Thank God I'm (an) Atheist". Used to express ones joy for NOT believing in a religion, not having to go to church or pray 5 times a day and to have freedom of speech and thought.
On a Sunday morning; "TGIA," I can sleep in.
by anonymous254157893two November 26, 2010

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Thank God I'm Awesome

Can be used in either the full or the acronym version.
Used when one proves him or herself to be awesome in what one believes is an appropriate manner.

For examples, see Barney Stinson, of 'How I Met Your Mother'
She though I forgot her birthday, and I did, but I managed to BS my way out of it. TGIA
by rsmrv November 08, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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
This girl is amazing
Wow you did your sats? TGIA
by John Oiseau May 12, 2016

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