Yet another term for anal sex. This one is when that damn old asshole is a big hairy bastard - like a spider. As found on dirty women who don't know Jack Shit about shaving.
Dude 1: "That new chick from Accounts? She's one hairy bitch!"
Dude 2: "Yeah! Time to go spidering, Dawg!"
Having sex. As seen on numerous National Geographic Channel documentaries.
And now yet another programme featuring Jane Goodall and some randy monkeys in Africa. Viewers please note that this show features some serious chimping.