Top definition
Yum- love ; finity- forever ; a big rainbow waterslide intended to go down with a pair of nice titties in each of your hands
Mike and Heidi are down with yumfinity.

Mike can't wait to go on yumfinity with Heidi's peanut butter and jelly in hands.
by Slang-o-nomics August 22, 2010
Get the mug
Get a yumfinity mug for your barber Yasemin.