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1. The phonetic but incorrect spelling of bass, still occasionally seen in ads that bands put up in music stores.
2. A juvenile way of measuring how "far" a couple has gotten in terms of sexual activity, drawing an analogy to a game of baseball. Typically, "First Base", "Second Base" and so on refer respectively to tongue kissing, some type of heavy groping, oral sex, and full intercourse. Though the precise definitions have been known to vary.
1. "Our hevey metel band is seeking a drumer and base player."
2. "You went out with Cindy last night? So, dude, did you get to third base with her?"
by Bill M. September 10, 2004
a form of parachute jumping. the term comes from the words building antenna span earth, the four favorite sites for jumping.
"We went base-jumping last week, man, that was the craziest thing I've ever done!"
by Johannes March 27, 2005
someone who is easy
below you
a slut
"Wow, Lauren is so base. Did you hear about last weekend?"
by The Red Hood January 30, 2014
When a girl isnt wearing uggs with leggings.
Guy 1: Look at that girl with jeans and toms.

Guy 2: She so base.
by warriors415 March 23, 2011
base 1- Making out

Base 2 - touching of partners genitals

base 3 - oral sex ( hand job,blow job ect)

HOME RUN - sex what else?
hey mate me and katherine reached 3rd base last nite .
by maria googleface September 28, 2009
another word for home, it doesn't necessarily mean basement, just someones house or apartment.
"Person #1": Where are you?
"Person #2": I'm at my sis base, just call me.
by RIRIL1 March 28, 2008
Another word for lame.
"Dude, that was so base."
by HEYTHEREHEY March 18, 2008
The retarded way to spell Bass guitar.
Douche: The base player over there is fuckin' old.

Me: *slap* It's bass.
by the_bayest October 28, 2008