Well, there was this one time in the Marines when 9 day old underwear would have seemed rather "fresh".
Comedian Yakoff Smirnoff told a joke about how different it was here compared to Russia:
"In America, you have 7 pairs of underwear, one for Monday, Tuesday, Wednesday, and so on.
In Russia, you have 12 pairs of underwear, one for January, February, March...."