It is when pressure is aplied to a bow and you vibrate your mouth slightly to make it sound like your under water-explaining the aquarium part.
Hey McLean do an Aquarium Bow...*Aquarium Bow*.....Yay!
by Rob McLean April 01, 2005
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
Can you define these popular missing words?