Sleeving up 

Attempting to stick your entire arm inside a vagina.

I'm gonna make this bitch squirt on my face by sleeving up!!!

Sleeving up by Dump truck January 29, 2017

sleeping up in the tree 

verb.
Escape an enemy by any means necessary, like in this case - "sleep on trees" in order not to get seen, not to get focused in the line of sight of an enemy

"..Drunk like thieves, take it just like the breeze,
Now look at all the clowns there, sleeping up in the trees.."
© Warcloud - "Mad Axes"

sleeping up in the tree by ghostrida October 14, 2005