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1.
N. - Any unexpected blood (usually from a menstrual cycle, but sometimes resulting from sores, ruptured lesions, etc.) that covers, but is not limited to, the phallus of an unsuspecting recipient.
After they both climaxed like never before, he/she was dismayed to find that she/he had left him/her with a cranberry surprise.
by Socrates the 410th January 24, 2010
 
2.
Any unnamed alcoholic beverage.
Dude this tastes like shit what is it?
Cranberry surprise.

Dude! this is so good, what is it?
Cranberry surprise!

Dude... This tastes like carrots... What is it?
CRANBERRY SURPRISE
by yayeah March 14, 2006