What does "the bag lady" mean?

Native speaker’s answer
Rebecca
Here, "bag lady" is a term that Emma's friends have created to describe her because she carries a lot of different items in her bag. "Bag lady" is not a standard English term.

Rebecca
Here, "bag lady" is a term that Emma's friends have created to describe her because she carries a lot of different items in her bag. "Bag lady" is not a standard English term.
02/15
1
What does "hot-rod" mean? Does it refer to driving vehicles recklessly without control?
A "hot rod" is a type of car. Usually, it's a classic car that has been altered and modified. Sometimes they are repainted! This modification makes them one-of-a-kind vehicles. A classic image of a hot rod you'd see is a car with flames painted on it. Due to their modified engines, they are sometimes driven recklessly, but they are mostly for show. Ex: That's a nice hot rod you got there. Mind if I take it for a drive? Ex: I really want to get an old classic car and turn it into a hot rod.
2
What is the meaning of "ass-print"?
"Ass print" means a print of one's bottom, much like a fingerprint is a print of one's finger. The speaker has said this to be humorous. He is exaggerating by saying the woman has left a print of her bottom on their blanket, meaning that she has left her traces everywhere.
3
What's "Branson and Bezos?"
Branson and Bezos are Richard Branson (Virgin Records/Virgin Group) and Jeff Bezos (Amazon), two billionaires that are among the richest people in the world. They are extremely famous and well-known, so they are often simply called by their last name. Ex: Bezos cares more about space travel than his own employees. Ex: Branson built one of the biggest record companies in the world.
4
What's "easy as pie" mean? Is this an idiom?
Yes, it's an idiom used to express that something is easy, that it's not difficult to do or accomplish. Ex: Get an A on my test? That'll be easy as pie! Ex: It's easy as pie to learn how to ride a bike.
5
Is "knock oneself out" an idiom? What does it mean?
You are correct "knock yourself out" is indeed an idiom. In this context, the phrase "knock oneself out" means to enjoy yourself, have a good time, do something as much as you like. It is often used sarcastically, which is the case here as obviously Sheldon would not enjoy having to move the desk by himself. Ex: You want to try and good a 5-course meal from scratch!? Okay, knock yourself out. Ex: A: I'm planning on going for a hike. B: That sounds horrible, but knock yourself out.
Complete the expression with a quiz!