The act of thinking deeply and/or for long periods of time.
Lee watched John as he stared ahead into space, his face tense with thought.

"Wow, some serious thunking going on there, John. What's on your mind?"
by stark_source February 4, 2010
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the process in which a thought goes through
thoughts are being thunk ๐Ÿ‘๐Ÿ‘„๐Ÿ‘
by john cena is my dad May 16, 2020
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Hillbilly terminoligy for thought
Who would have thunk it?
by Gina Evans February 27, 2004
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bastardization of thought.
Used only by idiots with poor grammar.
Who would have thunk that...
by lexicon June 17, 2003
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To sneak up on someone and bean him with a heavy blow to the back of the head.
"Jim got thunked going home last night. Serves him right for walking in a dark alley with all his paycheck in his pocket.
by skydog70 January 5, 2006
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(verb) Used in fandom when a person (or alien creature) is looking gorgeous resulting in jaw dropping, drooling, falling out of chair, dying, or entering a comatose state.

(noun) The sound of someone dying or passing out as a result of sensory overload due to hotness.
Mg and Tan thunked when they saw a picture of Joe Flanigan's boxers.

Did you see that picture of Daniel Jackson? *thunk*
by Young Armenian Pirate May 15, 2005
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