Drivers Darrell Wallace Jr. and Brian Scott had a passionate disagreement after Saturday night's XFNITY Series race at Kentucky Speedway, where Ryan Blaney took the victory.
Angry about contact with Wallace that loosened his right-rear wheel, Scott twice approached the Roush Fenway Racing driver on pit road after the race to express his displeasure.
From there, the two engaged in a profanity-laced shouting match -- the contents of which were apparently REALLY personal.
More from FoxSports
Still steaming from their encounter, the two combatants carried their war of words over to Twitter.
See what both had to say.