Ah! That sounds like the start of a tense neighborhood showdown. Based on the scenario you described, the note could go a few ways depending on your neighbor’s reaction:
Here’s a likely continuation:
“…saying: ‘Nice try. But I saw what you did. If you think locking your socket will stop me, think again. —Your Friendly Neighbor’”
Or, if they got more dramatic:
“…saying: ‘We need to talk. This isn’t over. Come over before things escalate.’”
Or even a passive-aggressive twist:
“…saying: ‘Hope you enjoy paying for your electricity now! —Signed, The Person Who Was Stealing Your Power’”
Basically, your neighbor noticed your lock and is signaling either anger, warning, or sarcasm. At this point, it’s a good idea to document everything, and if it escalates, contact your electricity provider or even local authorities—illegal use of electricity is a serious matter.
If you want, I can suggest the safest next steps to handle this without turning it into a full-blown neighbor feud.
Do you want me to outline those steps?