What does poke mean on Facebook?
A "poke" on Facebook is basically someone trying to get your attention or just to say "hello" to you if you have not been it touch with him/her for a long time. People often engage in "Poke Wars" for fun on the website to see which side gives up.
It's just a way of acknowledging someone without words, you click, "poke" and it says, "you have been poked by so & so" on their end.
that mean that somebody sent u something and u poked them lol
It's just a poke exactly what it means poke an u can poke them back