The act of cranking your hog almost to the point of completion then inserting yourself into a woman's vagina, with no protection.
Bertha: How did your girlfriend get pregnant?
Carlos: We experimented with skunting, so she stopped taking her birth control Bertha: Oh that makes sense
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).