cuchuflinching

A portmanteau: name of the Celtic hero "Cuchulain" and "flinching". It was said that the hero swore that the day he would be seen drawing back in front of an enemy'sword he would give up his belligerent way of life and start growing daylilies.

Used in oaths of similar value and/or content.

My pledge to you is that the day you catch me cuchuflinching I'll give up my current position and start knitting.