1. Be too big for one’s britches
2. Britches
3. Dang/darn/dern tootin’
4. Get up with
5. Granny-slappin’ good (so good, it makes you want to slap your granny)
6. Gussied up
7. High cotton
8. Kinfolk
9. Knee-high to a grasshopper
10. Lick
11. Like herding cats
12. Ornery
13. Piddly/piddlin'
14. Skedaddle
15. Snug as a bug (in a rug)
16. Sugar
17. Varmint
18. Well, I’ll be a monkey’s uncle
19. Yankee
20. Yapper
21. Younguns
H/T yourdictionary.com for translations.