Robin: Well, it looks like it's gonna be just you and me.
Barney: Really?
Robin: Actually, I was talking to my martini

[Barney is stripping down...]
Robin: What the hell are you doing?
Barney: I'm birthday suiting up!

[playing laser tag...]
Barney: Don't be a hero, Sherbatsky!
Robin: See you on the other side.
Both: Yaahhhhh! Charging!
[Both got shot]
Barney: Damn, wanna get a soft pretzel?
Robin: Sure

Come on, Ted can't be pregnant... you need to have sex to get pregnant

Lily: You ralphed and ran?
Marshall: I thought you were vomit free since 93. So that was a lie.
Robin: You re-returned for me. That's really sweet, though you kinda ruined my customized Scherbatsky doormat

Victoria: Well boyfriends, I've only had 2.
Robin: Prude alert!
Victoria: Well, that's serious boyfriends, I've dated other guys in between.
Robin: Slut alert!

Lily [about a wedding dress she just found]: Okay, okay, how much is it on a scale from "never" to "never ever"?
Robin: Never ever, ever ever ever times infinity

Short in the front, long in the back, that is the mullet of wedding dresses

Victoria: I'm going to meet Ted for our 2 month-iversary.
Robin: Oh great that answers all of the questions I didn't ask

Little girl: Do you have a fiancé?
Lily: Marshall was here yesterday, they just learned the word fiancé.
Robin: Oh no, I don't have a fiancé.
Little girl: Then who do you live with?
Robin: Well, actually, I've got five dogs.
Little girl: Don't you get lonely?
Robin: No, I've got fiiive dogs
Little girl: My grandma has 5 cats and she gets lonely.
Robin: Well, yea, that's cats, I'm not some pathetic cat lady, not that your grandmother is some pathetic cat lady - doeesss anybody else have questions?
Little boy: Are you a lesbian?
Robin: No! Are you!?

Ted: Hey.
Robin: Hey. Mary seems nice. Have you kissed her yet? Or are you waiting until you are in a serious relationship with someone else?

Robin: My friend just got dumped, so tonight all men are "the Enemy".
Ted: If it would make your friend feel better, you can throw a drink in my face.
Robin: She would love that!