look up any word, like cleveland steamer:
 
1.
noun: a hard, conical shaped poo that comes out thin side first, thickest side last. 99% of all pinecone's result in excessive pushing, a clenched jaw, and extreme discomfort. a pinecone is similar to a feet-first birth.
marc: "dude, i just shat a massive pinecone!"
chris: "thats disturbing.."
by the storm drains May 19, 2009
 
2.
code for slut/whore/basically any girl on a college campus. By calling these girls pinecones, people can openly talk about them without the pinecones even knowing.
(girls with basically no clothes on walk by)

"Dude, do you smell some pinecones or is it just me?"
"Yeah man i smell it, there must be a pine tree around here somewhere."
by Art M. Typal October 30, 2011
 
3.
Misspelling of pineapple.
I sure love pinecones.
by Rammacore November 01, 2012
 
4.
The kind of shit which involves tear-jerking pain and spiked feces coming out of your asshole. This is arguably the most horrible form of shit. It feels as if there is something slicing your bowels as you force it out of your bum.
"ARRRRGGGGGGGGGGGGGGH"
"Johnny, are you okay?!"
"I HAVE PINECONES COMING OUT OF MY RECTUM, LEAVE ME ALONE!!"
by @____________________________@ November 05, 2009
 
5.
A type of sex where the man uses a studded condom.
I totally pine coned this chick last night.
by ppppjj September 03, 2006
 
6.
A joint, or marijuana cigarette. Typically rolled in a cone shape, but not necessarily. A term coined by Pittsburgh based rapper Beedie.
I like to steam pinecones on the daily.
by GURUSTU412 March 05, 2013
 
7.
Verb: To intentionally clog an unsuspecting host's toilet by the deposition of an excessively dense, smelly and bulbous shit. This action is preformed properly when said shit is visible even after the initial flush, as if someone had dumped pine cones in the bowl.
Why sir, thank you very much for pineconing my toilet while you were hammered last night. You should really pinecone the movie theater next time instead.
by docHolliday December 02, 2013