A common tird in which the poo is skinny however in tact, being excreted in one piece. It reaches the highest threshold at which the tensile strength of the poo does not break. The term originated from areas where the common house skink resides.
"I did a shittoday, it was a total buttskink. It must have been at least 30cm long"
When you are about to plug a girl, but you are drunk so your johnson is a little soft. You shove it in anyway, but during the first few minutes your johnson looks wrinkly and old. Eventually, you become fully hard and the shaft is smooth and young-looking.
Andrew: After the party I took a girl upstairs and gave her the business. It took me forever to get hard and I couldn't keep her waiting, so I did a little Benjamin Buttoning in her clap trap.
Evan: Sweet!