a western spy is a slav/gopnik who squats on his toes instead of squatting on full heels like true slav, they don't like the taste of majonez, western spy is often used as a derogatory word seeing how forgeting to squat down is a slav's worst nightmare, that and having warm vodka
Boris Slav SuperStar: "one of these gopniks is a western spy, looking at you Kolya, squatting on toes"