#1 Idiom class with Mr. Brayden

In today's, first class Mr. Brayden explains what does 'off the top of one's head' mean. But can you guess the meaning before watching?

Off the top of one's head means:

a) getting rid of unpleasant thoughts

b) making up words on the go

c) a style of jumping into the swimming pool

Let's listen to Mr. Brayden and check the answer!