What is poke guy?

what most people would say in the instance of finding some one of undetermined identity deceased and lying in a field.

first kid "whoa guys look what i found"
second kid "hey poke the dead guy"
dead guy"..............."

poke guy - video

Poke guy is a Hong Kong slang meaning "I hope you die by falling down in the streets".
It could also mean a jerk.

A: Look at that poke guy. He is flirting with the girls again.
B: And he's not even good at it.