ploppingのようなどんな単語でも探してください。
 
1.
the mild pain, soreness, or erection of the nipple often caused by leaning over a guitar and pushing the edge against one's chest.
"I had such a bad Guitarist's Nipple after that concert last night. It's like someone cut off my nipple in my sleep and sewed on a quarter instead."
dr.teetsによって 2012年04月17日(火)