Not really. I had my first year of uni and someone just asked me who i was friends with at the time asked me something along the lines of "don't want to come off as rude but do you have a stutter" i told him yeah and he told me he knew someone that stuttered too. I think by that age of 18-19 many people will have met a stutterer or is at least aware of the condition. honestly if someone makes fun of your stutter even as a light hearted joke i would just drop them insta. I had 1 friend who would consistently make fun of it or bring it up and i dropped him when I was 16. I have 2 best friends and around 8-10 closer friends and none of them have ever made fun of it. I think if people have common sense they know i struggle with it sometimes and they are patient with if i do stutter. I think I've stuttered less with many words but I still struggle with a few words.