Top Definition
a chant aimed at lowering the confidence of an individual who for some batty reason rat'd someone out.
Often used in south Dublin, pronounced 'rats ouuuuuu!'
Rats out!!, Robn Neiland!!!
by Mr.Berry.luvs.da.fat.minge.xx January 31, 2011

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