Check Out / Pick Up

Me: How are you?
Old Navy Salesman: I spent $50 on alcohol last night.
Me: Is that right?
Old Navy Salesman: And I'm 20 years old.
Me: Good for you.
Old Navy Salesman: Do I look 20?
Me: Well... no.
Old Navy Salesman: Aw, that's right! I look OG. So, I look older than 20?
Me: Yes, I guess so.
Old Navy Salesman: Do you think I can bag older ladies?
Me: Excuse me?
Old Navy Salesman: (smiling) Do you think I can bag older ladies?
Me: No, sweetie. What's my total?