lmao, it happens all the time, i used to get one everyday as soon as i jumped in the swimming pool when i was in high school, and it would still be there once i got out, here's another trick, if you can get it to tuck under ur waistband ( for some strange reason) then just stick u hand in your pocket and hold the tips of your fingers across it ( it will just look like your walking around with ur hands in your pocket, like most teenagers do!

(