False friends on the morning after

Wikipedia:

In Polish, hair of the dog is called "a wedgie" (klin), mirroring the concept of dislodging a stuck wedge with another one. Similarly, other Slavic languages, such as Russian, Bosnian, Croatian, Bulgarian, Serbian and Slovene, use the phrase "a wedge dislodges a wedge" (klin se klinom izbija), although it is not normally connected to the alleged hangover medicine.

(An atomic wedgie, presumably, will obliterate your hangover goes directly to your head.) In fairness to the Poles, I must say that the efficacy of wedgies as hangover remedies has not, to my knowledge, been studied with any level of scientific rigor.

Update. Definitely fake, alas. The real term is "wedge." Still...