An adjective describing something (usually an animal or person) that is simultaneously cute and ugly. Yumpiness is often accompanied by the sensation of something being so ugly it's cute.
Wow, Eleanor Abernathy (better known as the crazy cat lady of "The Simpsons"), your new persian cat is so yumpy! I love it.
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