The sexual act in which you cuck your mate whilst he is busy providing his backpussy in the slammer. This is done via the seductive art of cunnilinguistics, performed upon his wifey until she gushes extreme amounts of pussy nectar and thus falls in love with you instead.
I smetana'd that cuckbert good and proper, by taking his boo-thang down to the behanna, and giving her vegana my banana till she dripped that deliciouspussy nectar.
A state where a person, object, or entity is even cooler than communicated by the use of smetanka; an extreme state of smetanka; something both tasty and smetanka