‘prolly’ = ignorant ‘word’ substituted for ‘probably.’
[Sorry, you were asking for that one! Yes, ‘prolly’ is a pet peeve of mine.]
PS Loved the picture. I’m stealing it.
The ‘prolly’ was intentional to lighten up the post... guess it didn’t work :p
I will remember not to use it again though, I know how pesky pet peeves are :)