Top definition
a bit like bum fluff. as a women gets to a certain age she begins to grow a moustache - similar to an adolescent boy. this gives them the 'let themselves go' look.
1) oh my god, your mum has let herself go, is that mum fluff i see on her face?
2 you should shave that off mate. you look my nan, she has mum fluff too.
by paddy 12345 October 12, 2009
Mug icon

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