L Stand Blumpkin
Getting a blumpkin from a L stand means you're the one who got stood up and laughed at.
You tell your friend you're going to the game. He says: 'I'm doing a L stand.'
You text your crush: 'We're going to the mall.' He says: 'Nope. I'm doing a L stand.'
You walk into class and the whole group laughs. Someone says: 'He did a L stand on you.'