Top definition
The bare minimum standard that a girl must be at or exceed when considering fornication.
Bro: Should I tap?
Dude: Meh, she's baseline.

Bro: I'm tips though. You sure she's baseline?
Dude: Just squint. Definitely baseline. Give her the deezy.
by BetaRhOmicron September 28, 2010
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2
1.) To give someone a hard time.
2.) To annoy someone
1.) I've got fools on the chase and they're giving me baseline!
2.) These people are always giving me the baseline.
by Steven January 14, 2005
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3
When you get horny during sleep with your wife, you decide to pull down her pants while she is sleeping, and begin ramming her vagina viciously, while still lying sideways in bed.
1.) But you looked so sexy I had to baseline you
2.) Zach went baseline on his mom again!
3.) My Husband is always baselining me.
by Owen Williamson June 10, 2005
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4
a sequence of low growling notes strategically played by nick beard, of the band Circa Survive, on his ernie ball music man stingray bass guitar.
nick beard's baseline cast sonic vibrations balls-deep into the earth.
by thunder toes September 13, 2008
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