To london someone

To london someone - to stab somebody using a bladed melee weapon, usually a knife or a dagger.

While it is most common to do it in the capital of UK, the term "To london someone" most likely comes from ancient Rome, and the death of Julius Caesar.

Mom: We're gonna visit grandma tommorow.
Child: But mom, what if someone londons us on the way?
---
Citizen: How did Caesar die?
Praetorian guard: He was londoned.
---
Serial killer: I am going to london someone.