[Them]: "Don't you think you'll feel ashamed of all the suicide jokes you've made when you get older?"
[Me]: "When I what?" 0-0
[Them]: "Don't you think you'll feel ashamed of all the suicide jokes you've made when you get older?"
[Me]: "When I what?" 0-0
Listen up, buttercup. The joke is that the person is implying they won't get old enough to feel ashamed because they'll have offed themselves by then. Get it? Of course, you don't. You're probably still trying to figure out how to tie your shoes, aren't ya?