Gronkitis is a chronic illness suffered by athletes. An athlete that has Gronkitis is very injury prone and will probably sit out a lot of games as a result of those injuries. This disease is named for none other than the New England Patriots Tight End Rob Gronkowski, who suffers from this condition. Gronkitis is a fusion of Gronkowski and Bronchitis.

The fictional disease / illness that is contracted when becoming a gronk. Symptoms include: Flaky skin, persistant cough, excessive masturbation, poor clothing choices and movement of hands whilst talking.