MacGregor - When you give someone head with something spicy in your mout

When you give someone head with something spicy in your mouth, like you just ate a chili and a ghost.

My friend did a Spicy MacGregor on his girlfriend, and she cried.

At the restaurant, my brother did a Spicy MacGregor, and the waiter ran out.

I tried a Spicy MacGregor, and I felt like I was on fire.