Top Definition
JFYM is an acronymn that stands for "Just Fucked Your Mom"
Oh man... I hate to break it to you but, I JFYM...

or the alternate Just Fucked My Mom form
WTF MAN!?!? DID YOU JFMM?!!! I'M GONNA KILL YOU ITCH
by Gygaxis June 03, 2004

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