Actually...
That's poison oak. It will still ruin your week.
/pedant
Discussion
Internet says poison ivy has the pointy leaves, poison oak is more rounded. Both ruin your week.
Especially if you wipe your ass with it.
My internet says ivy has smooth-edged leaves, and oak has... oak-like leaves
After being admitted to the hospital a couple of times after excessive exposure, I've learned to avoid all of it.
Let it be. Or nuke it from orbit.
Yeah, I don't get it particularly bad. I work with a few people who do, but they can't identify it. I just don't get it.