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.