HoFH is a rare but exceedingly aggressive form of FH. If both parents have FH, there is a 25% chance that their child or children will have HoFH (along with a 50% chance that their children will have HeFH). However, if a child is diagnosed with HoFH, that means both parents have some form of FH.
This page provides all possible meanings and translations of the word one-trick pony. one-trick pony(Noun) A performing animal (especially a pony) that knows only one trick. one-trick pony(Noun) A person or group noteworthy for only a single achievement, skill, or characteristic.
Only recently does it refer to a prostitute or woman who teases men. Originally a trick was the guy that's paying for the prostitute. The term has been used by pimps and hoes since at least the late 60's although I'm not exactly sure of where it originated from.