Writerly Wednesday and Did You Know Thursday

 What's your synonym or sentence for:

 

My sentence: Don't forget to slap some deodorant  on your oxters.

 

AND

 Did you know, that koalas have fingerprints that are hard to discern from human fingerprints?

 

 https://factanimal.com/koala/

https://factanimal.com/animal-facts/