1 definition by Iliketurtles426

Top Definition
The sound a cat makes when it meows underwater. First seen in the YouTube video "cat meows underwater".

The action of making the noise a cat makes when it's underwater.
When I put my cat in the bathtub, she stuck her face halfway in the water and meowed, producing a mweb.

After Brooke and I watched "cat meows underwater" we couldn't stop mwebing for hours.
by Iliketurtles426 March 08, 2013
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