Should I eat them as is, or do something else?
http://www.kumquatgrowers.com/what.html All you need to know about Kumquats.
Pop the whole thing in your mouth.
Eat the whole thing. I personally find them far to bitter but the skin is indeed edible on these little guys
Wash, eat, spit seeds. YUMMY!
put it in your mouth. feel your toes wiggle with delight.
Wholeheartedly.