marrowsky means spoonerism. Lexicurio rates it Sui generis — a strength score of 89 out of 100.
Etymology
First attested in 1859 and most likely derived from Polish Morawski. Generally thought to be named after a Polish nobleman active in London a couple of decades before the word's first attestation who suffered from accidental sound transpositions (possibly Józef Boruwłaski).