When someone takes a shit between the toilet rim and the toilet seat so that when the next person sits down to take a crap, the previous person's shit gushes out from under the seat like a gusher.
Person 1: "Fuck man, I just got Filipino Gushered bad."
Person 2: "That's tough.."
(n) Someone who is so obsessed with Samsungs Galaxy phone line that they cannot stop talking about great the phones are. They often dis other phone makers and openly deride people who disagree with their opinion.
Man sfomin will not shut up about his phone! He is such a Galaxy Gusher!