I do not think acetone will hurt cotton, but I have not idea about polyester.
Having a software engineering background, sartorial elegance is something other people exhibit. Glue stains on clothes don't really bother me, unless they're embarassingly located (Hmmm, shorts, could be). The only irritation is loss of flexibility, but you can usually fix that with a hammer...
Remove the shorts prior to striking the glue spot with any blunt force trauma.
I would be grateful that the glue didn't make it completely through the shorts and adhere something to the backside of the material.
I think these shorts should be retired from usage as clothing. They sound like a wonderful payload, if you have a rocket with a big enough compartment.
BTW, this thread is worthless without pictures.
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