PK is an abbreviation for "peacekeepers."
I'm a peacekeeper
and YOU can be a peacekeeper
PKs are known for spreading the peace. Most of us PKers are also part of a widely known club called CIRCLE
K INTERNATIONAL but that doesn't mean
that you can't PK if you're not a CKI-er! EVERYONE can do the PK.
up a peace sign
whenever you say "PK!"