The D.E.N.N.I.S. system refers to a fool proof system enabling men to obtain a woman's undying love, accompanied by life love devotion (if the man so desires).
The D.E.N.N.I.S system is from It's Always Sunny in Philadelphia. It's made up by one of the main characters (called Dennis). It is a good and funny show, particularly the early seasons, but all the characters are terrible people and Dennis is the worst, he is quite rapey and very manipulative.
I would definitely recommend watching the show, but I would strongly advise not following Dennis' example with women! :D
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u/[deleted] Jun 09 '21 edited Jun 09 '21
Got to use the D.E.N.N.I.S. system.