When girls hoard large amounts of shampoos, nail polishes, lip-glosses, and general goo-esq. makeups. (Founded by Jenna Marbles' on screen boyfriend Max in the "What I dont understand about girls" episode.
Jenna Marbles is a self admitted "Goo hoarder" in that she is often found Goo Hoarding, especially in her purse.
"Oh man her purse is so full of uselss lipglosses"
"Yeah shes really goo hoarding"
the act of saving/keeping a bunch of apps on your iphone or other smartphone you don't use/need because they were free, or you simply dont want to get rid of them.
guy 1: why do you have 10 pages of just apps?!?!
app hoarder: dude, i cant get rid of them they were free!