The event in which your smartphone's Facebook messenger app makes a dinging sound causing you to check said message only to discover a conversation about anal sex. In that conversation, the word "ding" is now a reference to that event. Further, the use of the word "dong" as a reply to an anal dinging adds further hilarity as this is a reference to the male genitalia often used for the aforementioned anal sex.
by Cali Jester March 6, 2014
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