Top Definition
Slitting the middle of your dick and having another dick inserted inside of the slit. While in the other dick this person then pisses into it so the other person will be able to piss out another persons piss.
Me and Eric were totally splitting lumber last night...

Yea i know ive heard that Eric is a total slut i heard he did Pb and J with DAN!
by Notkyle August 02, 2009
8 Words related to Splitting lumber

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