This is probably discharge. This stuff usually is found between or sometimes during menstrual cycles. It's totally normal!
Rust?
chlorine
no but they suck there wifes crusty balls and jam each other a few times a day
some tip tissue like the the stuff that get crusty on your lips
Basically, it discharge from the vagina. Very normal, just take a shower or change panties.
uh, she wears regular panties. why do you people need to know this stuff? that's highly personal.
Don't jump to conclusions as it is quite common for women to have this and it is vaginal discharge. Some women wear pantyliners daily to prevent having this in their underwear.
it means that you shoud do stuff
if it is wet creamy or milky white if it is dry it looks like a crusty salty white spot could be mistaken fro discharge from a girl if they feel slippery or sticky that is a sure tell After white panties are washed they have a ghost of a shadow or a yellow spot I do it to my white panties all the time. if you do not like it on them throw them away it is hard to get out of white.
No there isn't because the white stuff in your underwear is a sign that there is periods is coming its not bad just be prepaid with tampons
The stuff in your butt that's all crusty and icky.
No, most times it's just dried ear wax which is perfectly normal.