From BK's FB Page:
Boomz!!! Happy April Fools' Day! Shan & Rozz's spat on 987FM was NOT real. It's all a prank by BURGER KING®. For all the great fun we all had, BURGER KING® is offering you $1 Angry WHOPPER JR.® with every purchase of medium COKE on 2 Apr 10!
See their FB Page here.
So, what's stopping you? C'MON, GET ANGRY!