the word dongwap means to be an idiot. it can also mean to be like a blonde if you will you say something that is obvious or something that is blatently infront of your face.
but if you are stupid you tend to think dong wap is an internet sausage friend.
the word dongwap can also relate to the word plonker
omg your such a dongwap
i cannot believe how stupid you are you dongwap
hey guess what your a dongwap
hey baby wanna see my dongwap rofl