Monkeys in the dark with pens
A metaphor used to emphasis a situation that you just couldn't see coming. Often followed up by the phrase "You just can't see 'em coming."
Malix: Nope, he just A Sploded right there.
Atolm: Like monkeys in the dark with pens...
Malix: *sighs* You just can't see 'em coming.
Atolm: Like monkeys in the dark with pens...
Malix: *sighs* You just can't see 'em coming.