Secret superweapon, that either does not exist or does not perform as intended. Neologism combining the German Wunderwaffe and Russian вафля.
Та самая вундервафля — сармат. Пи…дец Лондону!
The supraweapon is the Sarmat. London is f*cked!
(Nikolagruz1949G @ twitter.com, 06/2022)