How is "doable" anything but a compliment?

Howard: No, I am definitely up a cup size.
Raj: You, know, b-but they're very firm, so you've got that going for you.
Howard: You think?
Raj: Yeah. Yeah. Yeah. Very perky.
Howard: Thank you. I really needed to hear that today.

Mrs. Wolowitz: Howard, get the door!
Howard: Really, is that what you do when someone knocks? I had no idea

Raj: Aren't you gonna to eat lunch?
Howard: Nah, I blew my food allowance on Pokemon cards?

Howard: Should we stop holding hands now?
Sheldon: In a minute.
Howard: Okay, good.

Howard: I'm not having this conversation with you Ma!
Howard's Ma: God forbid you get one of those new fancy sex diseases!

Howard: You're full of estrogen and you don't act like that.
Bernadette: That's 'cause I'm a woman. I've had years of practice riding the dragon.

Howard: How the hell did a pigeon get in here?
Leonard: You shut the loading doors, right?
Howard: I thought you did.
Leonard: Do you know what a disaster this is?!
Howard: You mean 'cause this room isn't supposed to have dust in it, and we just let in a flying crap machine

Have you told your parents you're dating this short glass of skim milk?

Howard: Attention people of Earth: Tonight, there will be two moons in the sky.

My wife came with both fun bags and money bags.

Leonard: I'm not going to make a fake appointment with a psychiatrist. What would I say is wrong with me?
Koothrappali: Low self esteem.
Howard: Social anxiety.
Sheldon: Sexual insecurity.
Leonard: None of that is true.
Penny: Denial. See sweetie, the list goes on and on.

TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.