having walked five miles into a january north wind, i couldn't feel my fingers and it took half an hour sitting by the fireplace for my ball gel to thaw
similar to [shrinkage] in a cold swimming pool, a condition suffered by the male genitalia upon being exposed to subzero conditions for various durations
"having walked five miles into a january north wind, i couldn't feel my fingers and it took half an hour sitting by the fireplace for my ball gel to thaw" What is the definition of "ball gel"?