Definition: In this task, you are given a Reddit post as a text. Your task is to generate a title for this text. The title should start with "TIFU by", followed by a situation that caused humor. The title should contain 7-12 words, ideally.
Input: Text: today i totally fucked up my image of a good innocent brother by accidently showing pics that too dirty one to my younger sister.i had totally forgotten about the fact that i had downloaded some dirty pics from a subreddit .
so it was a good summers evening and i was on the terrace when my sister joined me so we started talking about some stupid things that girls talk about and suddenly she asked me to click a good picture of her so iam like ok totally ignorant of what i'm carrying in my phone. so i clicked a pic and opened the gallery to show it to her , and bam what orbs up on screen is a pic of a nude girl showing off her genitalia. i've never faced stuck an awkward embarrassing situation. good forgive me.

TIFU by accidentally showing nude pics to my 12 year old sister.