they prayed to God for some mercy
I actually think House loves Wilson so much he would even pray.

Liked all three, but my favorite's the first, because having Hilson become a verb is just the best.
[Also, it's cheering me up: today my own Wilsony did the last three lines, except the bed was a rock in the school's playground. There's indeed a lot of blood, even though it's a really minor cut just under his right eyebrow.]

OT: Are limericks common throughout the English-speaking world?
They're unknown in Italian.