I'm going to start...one of the scenes that made me LOL:

Isles: Look at this! What is that white substance?
Rizzoli: Fluff.
Isles: Light, downy particles of cotton?
Rizzoli: It's marshmallow, and the brown substance is called peanut butter. It's ground up, heavy, oily particles of peanuts. What, they didn't have that in your fancy boarding school?

:DD

^ I loved that one! ♥

"You're ruining a national pastime!"

Ooh ooh!
Rizzoli: [looks at a sandwich] Is this from the good fridge or the dead people fridge?
Isles: [smiles] Cold air is cold air.
Rizzoli: How old is it? No, don't tell me! I'm too hungry.

Dead people fridge <3 xD
And also:

Rizzoli: Yo, Dr. Death, J. Lo needs a cause of death, not a seminar on gang names.

LOL. There have only been a few episodes so far, but already quite a few great/memorable quotes :D

"You are deceptively complex. I do not understand you."

I ♥ Maura. :)

Jane's Mom: Oh no your dad is going to kill me!
Jane Rizzoli: Tell him not to do it while I'm on call!

Made me laugh for hours. I re-watched that part several times

Jane: "Why are you doing this?"
Maura: "Because I have your back!"

Jane:"Yes that is where I take my naps"

I loved that!:)

I have two!

Maura: You are deceptively complex. I do not understand you.
Jane: Well, you would if I was a dead body.
Maura: Do you think so?

Jane: Frost, we're looking for a two by four...(Frost holds up said two by four)...Frost, we're looking for an idiot...

Jane -reading her mothers text- Homie I need a boner What?!
Maura: spelling erota your mother meant to say Honey I need a loaner, she really should spell check before she sends a text

Mm, Rizzoli and Isles quote thread! Forgot this existed! xD

"Jane and I, we're..."
"Best friends. We're more than best friends. We're... LLBFFs."
"Exactly. We're LLBFFs."
"Yes, we are... life-long best friends forever. Get it?"

Lesbian subtext FTW. ;)

Jane: I date two types of people, the ones who hate that I'm a cop and the ones that want me to use the hand cuffs