Based on the context and the answer, generate a question. 

Context: Has " I need to shave my butt " been the first thought in your head when you wake up in the morning ? How about " I need to shave the dog 's butt " ? " Tropic Thunder " is frickin ' hilarious .

Answer:

The jokes about shaving butts told in the movie are amusing .



What about Tropic Thunder is so hilarious ?