tom: wheres your bike?  ishkebibel: the fukin thing shat the bed last night, causing me to defecate in my pantaloons
when something goes terribly terribly wrong, or breaks
"tom: wheres your bike?  ishkebibel: the fukin thing shat the bed last night, causing me to defecate in my pantaloons" What is the definition of "shat the bed"?