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cluedo (to play) - a euphemism for a sexual encounter. Usually used to downplay or disguise the event to others.
"So how did you get on last night?"
"We just played a couple of games of cluedo."

by despi April 09, 2007
when you are gettin of with a milf!! and you pull her pants down and she revealed a 12" penis.this is kind of cluedo meanin clueless
guesssss wat ya mums got a penis!!!!!!!!!!!!!!!!!! and shouts cluedo
by sir martyrs January 26, 2008