Usually in the combination "to lay a cap on someone": to put an end to someone's life
"This was a man talking who'd just laid a cap on three people back there and he was worried about this guy breathing?" 'Deaver, Jeffery (2003): Twisted, p. 30' (lay a cap on)
for your information
HURLEY: Right, you were failsafing. Well, F.Y.I., the whole island vibrated. And Kate and Jack and Sawyer saw it, too, right before they got bags pulled over their heads.
6👍 15👎