Top definition
Idiot. Fool. Annoying person. Can be used to describe someone one else or used to describe yourself after you do something stupid.
Timmy is such a banswallack.
I forgot your birthday? Oh I'm such a banswallack.
by DeLanger July 04, 2010
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