to smell really bad, especially regarding body odour

Maurice is seriously clanking today - he must have forgotten to put deodorant.
by jellycakes November 01, 2006
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Referring to the use of marijuana or in past-tense can be used to refer to being high.
"Hey man, I'll talk to you later. I'm gonna go sit by the train tracks and clank."

"Oh man, I'm so clanked."
by Trace Fossils July 10, 2008
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Word ment to imply that impromptu or spontaneous sexual congregation in an un-traditional location has recently or is currently taking place. The fact that sex is taking place is identifiable to bystanders within ear-shot by the clanking noise of one or more belt buckles being dropped to the the hard-surfaced floor. Origin of word: Kansas City, MO.

May also be used as a verb.

See also "merk" or "merking."
As I re-entered the party, I noticed my friends were gathered around the bathroom door and appeared to be listening intently. A party goer had just entered the bathroom with a random girl. A clank sound was followed by sounds of passion. Those near the door exchanged a knowing look, and several spoke in unison, "CLANK!"

"Hey Padrick, you broke my mirror when you clanked that chick in my bathroom during the party last night."
by Duke L'Orange October 18, 2006
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A cleric who tanks in a roleplaying game, such as EverQuest or Dungeons and Dragons
That cleric is a great clank; she tanked Bertox without any extra help!
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