To be totally void of ejaculate due to cuming so often (i.e. by having sex often) that the only thing left to ejaculate is bone marrow.
Ive had so much sex i got down to the marrow.

That hot babe is marrow-worthy

I marrowed an angry pirate..arrrrr
by OilGig September 18, 2008
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A very good looking woman, i.e., one who would be "bone material".
The girl was fine. She was marrow.
by solidus667 February 03, 2009
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The stuff thst your bones are made of.
Except from BELOVED: "They took it! They took my marrow! My marrow! My marroooooowww!!!!!"
by They Stole My Marrow May 26, 2005
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The act of a human being renacting the sounds cats use to portray sadness or displeasure.
I marrow-ed at the fat cow who dares sit at our launch table.
THE BEAST!
marrrrrrrrrrrrrow!
by taylor dongogin December 23, 2007
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Whilst travelling by motorised transport, vibrations felt may cause male passengers to develop an erection.
"....The car journey was taking forever but luckily Alex had developed somewhat of a Travellers Marrow to entertain him ...."

"....The rest of the coach passengers gasped in awe at the Travellers Marrow, the sleeping Alex was sporting...."
by KingKempo February 10, 2010
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The soft, liquid substance that derives from a gentleman's bone.
I donated loads of my man marrow to that be-hotch! Fo Sho!
by Tazza February 15, 2007
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