Blood Blister: If you are sure it's a blood blister: thinning of a blood vessel wall could cause ballooning when the pressure goes up, then collapse when the pressure goes back down. The concern is if this blister doesn't resolve and gets cut, getting it to stop bleeding could be difficult.
This is an old British riddle from 1300-1900 AD. What is the longest and yet shortest thing in the world, The swiftest and yet the slowest, the most divisible and the most extended, The least valued and the most regretted, without which nothing can be done, Which devours everything, however small, and yet opens the life and spirit.
If you consider more obscure words, however, you'll find that aftercataracts and tesseradecades, are the longest words at 14 characters. Using only your right hand, the longest word you can type is lollipop but if you permit the use of dashes, then Johnny-Jump-Up â a type of flower â becomes the longest word you can type with only the right hand. Other words that you can type only with your left hand are retweet, gazette, eraser, and seatbelt. Other right hand words ...