Yeah, it wasnt until a few months ago that i realized that what was happening was called "echolalia" though.
phrases, tunes, a sentence from a song will be stuck in my mind on repeat. some things im not even sure what its from, like "its ah sauhnaah in here!" (sauna).
and i used to say "thats what she said" after everything that i thought was funny- because my friend would say that to me a lot and it didnt make sense because i wasnt talking about "she", and after saying "thats what she said" she would laugh and everyone else would and sometimes add a "good one!" to her "thats what she said". it wasnt until later when i had repeated it for awhile that it finally clicked and an i was like "thats what she said!! lol!- ohhhhhh!!! .... now i get it!"
and songs are the worst. sometimes just a tiny 3 second music tune will be the thing stuck in my head...
also, i have a really embarrassing time when some says something and a response from me is common, and i end up repeating the same thing they just said, and it comes out before i catch it. like
person: hi how are you?
me: how are you?- i mean! im... good, you?
and it happens more often when theres a A and B convo that requires a response from me... thats when others notice it. but also they tend to think that just because its not showing on the outside, that its not something i struggle with. sometimes though, i will say something that pops into my head from a reaction to what another person has said or pointed out.. like when a dog was barking at someone walking by his car i just blurted out "stranger danger! stranger danger!" all high pitched kind of thing.(atleast i think it was high pitched... i dont know if "high pitched" really explains it). but it was one of those moments that others find funny that it seems to have a outwardly positive reaction with others. ....