What are the nudist versions of these textile idioms?

How could we nudists change these textile idioms to make more sense for when we use them as speech, making them as realistic as possible as they pertain to nudists?

1. Have a trick up your sleeve
2. Roll up your sleeves
3. Give someone the shirt off your back
4. Hitting below the belt
5. Tighten our belts
6. Burning a hole in your pocket
7. So scared I crapped my pants
8. So scared I pissed my pants
9. Scare your pants off
10. Just keep your shirt on...
11. Just keep your pants on...
12. Caught with your pants down

And any others you can think of you may want to add.