1: (action) To hit someone (usually an idiot) on the head so hard that the resulting noise is a pleasant *thonk*. Plural: Thonks. Past tense: Thonked. Present tense: Thonking.
2: (verb) A way to say "thanks" but in a goofy way.
3: (action) to think extremely hard.
2: (verb) A way to say "thanks" but in a goofy way.
3: (action) to think extremely hard.
Example 1:
Cheryl: Bob was being so stupid, so I thonked him.
Alison: He deserved it.
Bob: It hurt!
Example 2:
Dude 1: Hey brooo! I got you a six-pack of bud light!
Dude 2: Noice! Thonks, man!
Example 3:
*during a math test*
Bob: *thonking with e x t r e m e d i f f i c u l t y*
Cheryl: I guess me thonking him had some serious side effects.
Cheryl: Bob was being so stupid, so I thonked him.
Alison: He deserved it.
Bob: It hurt!
Example 2:
Dude 1: Hey brooo! I got you a six-pack of bud light!
Dude 2: Noice! Thonks, man!
Example 3:
*during a math test*
Bob: *thonking with e x t r e m e d i f f i c u l t y*
Cheryl: I guess me thonking him had some serious side effects.
by LilytheAce November 27, 2021
Get the Thonkmug. 
A sarcastic spin on “thanks” that is spoken mainly to adhere to social norms but is not really needed.
“We appreciate for your donation today.”
“Thonks.”
“Did you set up that appointment?”
“I did.”
“Thonks.”
“Thonks.”
“Did you set up that appointment?”
“I did.”
“Thonks.”
by Dixie Chickenhawk October 20, 2019
Get the Thonksmug. by iamshmo12 October 8, 2019
Get the thonkmug. 
person using it as a slur:
“ew you’re a badgerist you’re such a thonk
badgerist joking about it:
“i feel so thonk rn”
“ew you’re a badgerist you’re such a thonk
badgerist joking about it:
“i feel so thonk rn”
by bzdger September 18, 2021
Get the thonkmug.