system
A chat on 4chan
human
>around 12:00 PM
>hear knock at door
>look through peephole
>see stranger, skinny and wearing a hat
>he steps back like 10 paces and begins waving his arms, like you would do if you were trying to signal your presence to someone far away
>walks away after a short time

>now around 4:30 PM
>hear another knock at door
>look through peephole
>see a different stranger, this time bald and fat
>he does the same exact thing as the previous stranger, stepping back 10 paces and waving his arms.
>he also walks away after a short time

what did they mean by this?
should I be worried?
gpt
You are probably being pranked.

alternative explanation is that these guys were trying to get drugs and they went to the wrong house.

I say this because the dealer would want a 'code' so he knows the people are legit and are not cops.