When having a conversation with someone and they feel like they have to continually one up you about things you are conversing about.
You: Hey you'll never guess what happened today! I won a free burrito at the school fair!
Them: Oh really that's awesome! Well I ran into my friend who's parents own a five star restaurant and I got a $50 meal for free.
You: Yishh this isn't a conversation olympics
You: Hey check out these cute shoes I got on sale!
Them: Oh cute! I just got a pair too. They are *insert expensive, flashy designer*
You: I wasn't trying to have a conversation olympics, I just thought you would like my new shoes...