Here are some ideas for funny video descriptions:

1. "When you finally understand the joke, but it's too late "
2. "Procrastination level: expert "
3. "When bae says 'I'm fine' but really means 'I'm hungry' "
4. "My brain vs. my stomach in a battle of wills "
5. "When you try to adult but really you're just winging it "
6. "Uncoordinated and proud of it "
7. "My cat's judgmental stare is my love language "
8. "Life hack: just add pizza "
9. "My dance moves are so smooth, I'm like a hot mess "
10. "When you're trying to be sneaky but really you're just obvious "

Feel free to use these ideas or modify them to fit your funny video!