D1: Noun; One who has acted in a thoughtless and/or selfish manner to the detriment of others.
D2: Verb; To deliberately act thoughtlessly because you think it's funny even though it's not.
D3: Verb; To intentionally steal a parking space from someone who clearly was waiting before you.
"Dude, that lady just stole my parking space, what a bonghonk."
"Let's go bonghonking and steal people's parking spaces" "Ok."
"Dude that guy just bonghonked me. Now I gotta park a mile from the food court. For the love of God, all I want is some General Gau's chicken."