1 definition by Robert From Ottawa

Top Definition
n. A serious condition known to cause the loss of one testicle. Also related to thwap. If left untreated, the phwat will take over, leaving nothing but thwap in it's path
Oh no! Britewire has come down with phwat.

"Everytime I look into it, the term thwap comes up."
"Phwat?"
by Robert From Ottawa November 27, 2004

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