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"