I have to take my brother to baseball practice.

Very commonly used and inconspicuous excuse for getting out of pretty much anything. One can replace the word 'brother' with any relative that would make sense. Possible substitutes include but are not limited to:
Sister, Cousin, Nephew, Niece, etc.

(Guy 1) Hey Guy 2, wanna hang out?
(Guy 2) One sec... Nah, I have to take my brother to baseball practice.

(Guy 1) Hey Guy 2, wanna see a movie with some friends?
(Guy 2) Can't tonight, I have to take my brother to baseball practice.

(Guy 1) Hey Guy 2, wanna play some football today?
(Guy 2) Sorry man, I can't play today. I have to take my brother to baseball practice.

by the putman August 22, 2009

7th Base

Is sex with the hole in the throat.

He had a hole in his throat from smoking. So you stuck it in his throat hole? yep, got to 7th base.

by brigon7 July 9, 2009

Krusty partially gelatinated non-dairy gum-based beverage

The Springfieldian word for 'milk shake' found at Krusty Burger.

<Wiggum> Do they have Krusty-Partially-Gelatinated-Non-Dairy-Gum-Based-Beverages?
<Lou> Mm-hm. And they call 'em "Shakes"
<Eddie> Heh. "Shakes". You don't know what you're gettin'.
<Wiggum> Well I know what I'm gettin'. Some donuts.

by Bastardized Bottomburp July 19, 2003

34th base

Engaging in intercourse with a male dolphin (vaginally or anally), and surviving.

Bob: Tommy's sister is such a slut, I bet she could get to 34th base!

by Epeeist May 26, 2008

All Your Base Are Belong To Us

1.This is a famous phrase from the game Zero Wing said by the all mighty cats

2. In Warcraft 3: The Frozen Throne, if you type this in you automatically win the level (only in single player).

1.Captain: "somebody set us up the bomb!"

Cats: "All Your Base Are Belong To Us!"

note: the above is a shortened version.

2. Player: allyourbasearebelongtous
Computer: VICTORY!

by Erzebetmen February 9, 2009

Fifth Base

Fifth base is fucking a girl in the asshole.

Man, that girl has an onion ass.....I hope I get to fifth base on that shit!

by Pierce Binoche September 2, 2004

8th base

Touching knee caps

Brandon: You know why she wears shorts right?
Arthur: No why?
Brandon: It's easier to get to 8th base that way.
Arthur: Her knees do look pretty sexy today.

by CooRiderOfTheNight January 9, 2011