freeze-taint

freeze-taint
[freez-teynt]
-noun
The sensation of cold on one's grundle or gooch, often caused by the application of said grundle to a cold object, e.g. a bicycle seat or a bag of frozen peas.

Origin: Nat Topping

Use it in a sentence: "After riding back from work last night, I noticed I have a wicked case of freeze-taint.