The term "Bubbling Jock" is a colloquialism that is not typically associated with antonyms. However, if we break it down into its individual parts, we can identify a few possible antonyms.
"Bubbling" can be associated with activity, excitement, and energy, so some possible antonyms might include "calm," "serene," or "complacent." "Jock," on the other hand, refers to an athlete or someone who is physically active, so possible antonyms could be "sluggish," "inactive," or "sedentary."
While these antonyms may not perfectly fit the phrase "Bubbling Jock," they do provide different perspectives on the phrase and highlight the range of possible interpretations.