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1.
The nirvana of sex. One gains entry into this spritual place after giving sixty-nine different girls a 69er.
"Dude, what's 69th base?!" - Dominik
"That's where I got last night biatch!" - Ramesh
by Rameshdogg September 09, 2006
 
2.
to make love to a small dog while under the influence of PCP
i got to 69th base with a chihuahua
by chachi and fluffy is cool August 20, 2009