Top Definition
When someone is really annoying you.
Mum: Hey Dave do the dishes!
Friend: Man your mom is giving you heaps to do
Dave: Yeah she's been 'up in my ass' all day
by Dogdevourer February 25, 2008

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