phrases, sayings, idioms and expressions at

Phrases, Sayings and Idioms Home > Discussion Forum

(to go) tits up

Posted by Peter Sabourin on February 14, 2005

Do not think this means "to fall over on ones back". Rather, "to go wrong". Believe origin is early floating navigation instruments in aeroplanes designed to turn over when not working so as not to mislead pilot. Undersides resembled a pair of tits.