When an article of your clothing gets stuck between your butt cheeks. Separate from a wegdie because the clothing is not going up your butt, it just gets smashed a little between your cheeks. Common with dresses and right when you stand up after sitting for a while.
An insult that means precisely what the phrase implies, that the recipient should find a butt, and suck it.
The pronunciation is slower than one normally speaks, with emphasis on 'butt'.
The act of a male dressing up in a tuxedo filled with ranch and putting a vacuum nozzle up a females anus until she screams, “OH DADDY THATS ONE CLASSY ASS BUTT SUCK” as a safe word before her intestines are sucked up by the vacuum.