1 definition by LevT

Top Definition
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!
by LevT February 03, 2004
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