Cunktart 

Cunktart

Cunktart, noun: A person whose actions are worthy of criticism.

Cunktartery, noun: Actions of a cunktart.

Cunktartish, adjective: In the manner of a cunktart.

Example "That Cunktart does cunktartery in a particularly cunktartish manner.
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Note: Not a swearword.
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Cunktart is not derived from any swearwords.

Experts think this is the etymology:

Cunk(adj.) "faulty", "grody" or "disreputable"
+
tart (adj.) "having a sharp taste,"

or
tart (noun.) "small pie"

That person is such a Cunktart; and acts in a Cunktartish manner

Cunktart by ozelement November 10, 2020

Cucktart 

Noun: the additional male participant to a male/female couple during a MMF threesome and a variation of the traditional cuckold MFM threesome. In this variation, the female, cuckquean, enjoys the humiliation of watching her male partner, the queanbull, have sexual contact with another man and does not participate in the interaction. The cucktart is the male counterpart to the cuckcake, the additional female, who has sex with the queanbull, while the cuckquean watches.

That cuckquean, Eve, really enjoys watching her queanbull husband, Adam, fuck that little cucktart, Steve.

Cucktart by Dizzy Ballington June 9, 2018

Cuntartica

A descriptive term for female genitalia which is seldom deployed for recreational intercourse.

A fucking frigid fanny.

Man A: How's the sex life at home, Dave?
Man B: Cuntartica, mate.

Cuntartica by Lianachan March 5, 2004