For those who have no idea what the title means, see Memorable quotes for How to Murder Your Wife (1965)
When I woke up this morning, I felt a bit "blech". I wasn't coming down with anything nasty. I just drank too much coffee yesterday! Coffee contains caffeine , which is a Central Nervous System stimulant. This gives you a brrrup (extra alertness & energy).
Sadly, what goes up eventually comes down, giving you a brrrap (feeling like crap, headachey).
Here's some soothing music for those of you who are "coming down" from caffeine or any other stimulant.