When you're sitting in class and the need to fart overcomes your self control so the gas is expelled through the anus. when expelled you try to stop it with a quick pinch of the anus thus creating a high pitched noise (similar to that of a trumpet) only to be blamed on the asian sitting closest to you.
A great student of the english language, and all its sounds and nuances once said that the most verbally beautiful phrase in the english language is "cellar door." Studying the english language in its current encarnation has led me to the conclusion that "buttketchup" is the single most verbally repulsive word/phrase.
The act of enticing / seducing a man through means of the buttocks, usually wearing skin tight clothing (yoga pants, active wear, flare pants etc.) sometimes see through and having a larger than normalbutt. Malicious intent involved. Most commonly seen in grocery stores and retail stores.
what your ass turns into after eating hot chili sauce with dinner after rapid ascent to high altitude; high velocity turd ejection; medical condition known as HAFPT (high altitude flatulence propelled turdage). Derived from military, large bore artillery piece, the Howitzer.