The tiny nipples of only a small population of women. Unlike saucer size nipples, these nipples are always perky and more attractive. Do not confuse them with moles.
Little itty bitty nipples may lead to lower level of horniness in women.
That unnerving feeling when something has gone horribly wrong while doing work and your anus tightens up in a flinching and constipated way. It's a form of panic attack when you realise your life / career just ended and you go into a wild panic to try rectify the situation before you get found out.
Boss: While you're updating all the systems, if it goes pear shaped, don't have a nipsy twitch, just get it fixed!