basically when a guy tries to bullshit a girl with fake achievements to get himself laid
Pussy chettin' can be used in a convo like this
Chad: "Yo remember when Kenny was pussy chettin the other night at that party?"
Brad: "Yeah bro he was chettin all that pussy shit, fuuuck!"
Chad: "Little pussy chetter he is"
These are typically individuals that espouse themselves to be rationalists and devoid of theist ideology while openly citing Marxist/ Stalinist doctrines and considering themselves to be revolutionaries and a vessel for free thought while demonstrating that they themselves are hypnotized by authoritarian propaganda and unironically wearing Che Guevara shirts regularly to their commie craptivist events.