I love malapropisms: similar-sounding but incorrect words, which sometimes have a humorous effect.
Here are a couple of recent ones:
Have you seen any funny word stuff? If so, do share!
Mould Wine (mulled wine) a casting mould for a bottle of wine
Cool Log (call log) it is so cool (or call lol)
draw the curtains (emplying i should literally draw some curtains)