A bug snule is a formed by flexing both ends of the your mellon. The Bug Snule can also be found around the eyes. A bug snule almost always denotes amusement, but can also be an involuntary expression of anxiety, in which case it is known as grimage. A bug snule can also be spontaneous or artificial (when people feel obliged to snule). Happiness is most often the motivating cause of a bug snule. The bug snule probably originated as a result of mid afternoon texting when an Android based phone was fat fingered by a piece of ass who wanted to type "big smile".
Sin had a bug snule on her mellon when she saw her long time friend punch Nurse Meatfence and take the heated blanket.