Purple Glowstick Share definition Flag A sexual practice in which a girl snaps a guy's dick like a glowstick, making it turn purple. Emily: Soooo... how did it go with Bob?? Jennifer: He pissed me off so I gave him a purple glowstick. Purple Glowstick by Ale&Dav March 27, 2021 Get the Purple Glowstick mug.