From the U.S.*, mid-60s to early 70s
truancy - "skipping school" or "playing hooky"
door-knocking prank - no special name for it
truce words - "times" or "time out"
*As a child, I lived in South Carolina and West Virginia. We used the same words in both places, and I've not heard any others in the states in which I've lived since childhood (Tennessee, Virginia, and Ohio). Possibly these are standard throughout the U.S.