PSG aka for Please Send Gift is a PCS League of Legends team known for losing games with record speeds in order to buy souvenirs to send back to their home region. They may be found at airport duty free stores browsing through catalogues midway through international events.
"When does PSG play?"
"They already did. They lost and are already at the airport buying kimchi and Samsung phones to sell back home."
Short for "Pussyless Sluts Gang"
She's so lit! She must be part of the PSG!