Did you perchance mean think?
Definitions
Century Dictionary and Cyclopedia
- An obsolete or dialectal form of thank.
Examples
“PC sounds quite loveable and more my style; plus the "thonk, thonk" of the tennis balls puts me in a summer mood...”
“In two years I can thonk of about three or four occasions in 4700 blogposts where that as happened.”
“Just thonk of the additional permanent government employees required to manage these programs.”
The Volokh Conspiracy » The Threat of Forced Labor Through Mandatory “National Service”:
“We hear Harvey Weinstein thundering by in a Santa suit ( "Ho! Ho! Ho!" … rumble … rumble … thonk … with Ken Auletta in tights and wee elf shoes carrying his big sack)!”
“The story Many Horses told about being orphaned in an attack from the Crows was fresh in his mind, making his heart thonk with dread.”
“His heart gave a quirky thonk against his breastbone.”
“There was a loud, hollow thonk, and Heragli fell into a sitting position with a dazed look on his face while Baloo did a reeling sort of off-to-Buffalo.”
Hokas Pokas
“Dan vickerman isnt ruthless enough, he is too nerdy. sekope kefu should be in the centers there is a real lack of size there. there is a lot for robbie and the coaching staff to thonk about! peace JASSY”
“Garrett Quinn for providing these lovely on-the-scene photographs, and Well Ken, I thonk there's a typo.”
“The crust made a deep thonk sound when it hit the table, although the inner point of the slice was rather soggy.”
Tweets
Looking for tweets for thonk.

yarb Citation on grawlix. May 11, 2009