Definitions by TinyBabyBear

Limp Unicorn 

A euphemism for dickhead. This is based on the image of a unicorn with a droopy horn being akin to a penis on a head.

More appropriate for situations such as the workplace, where more overt swearing is difficult.

Lauren wouldn't let me borrow her pen today - she's been a real limp unicorn recently

Limp Unicorn by TinyBabyBear October 27, 2011