Definitions by LevT

buttwitzer 

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.

That dude splashed the ceiling above the john -- buttwitzer!

buttwitzer by LevT February 3, 2004