Top Definition
ILSMISM is an internet accronmym for I Laughed So Much I Shit Myself. It has not achieved widespread usage, although is popular with members of Oxford Univeristy.
Schizoceri says:
Last month an American Airlines pilot arrested after apparently arriving for duty drunk was found not guilty after telling a jury he had consumed a third of a bottle of whisky in his sleep.
Schizoceri says:
wtf?!?!?
God Hates Figs says:
ilsmism
by godhatesfigs April 02, 2007

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