To be struck with an incessant laughing/giggle fit that keeps going on and on at inconvenient times, rendering you fucked because now you look weird.
Person 1: *sitting in a classroom which is currently silent then happens to think of a funny line from Pineapple Express that strikes a chord* AhahahahahahahahaHAHAHAbuah! *clutching stomach, tears streaming down face, trying to be quiet but failing*
An adjective used to describe someone that needs to be made fun of. It can be used in almost any case or scenario. As long as someone is there to be made fun of "dinklefuck" can be the word for you.