The term ''ham and eggs'' and variations of it have had various slang meanings. In rhyming slang it refers to legs; the phrase was also used with this meaning in the US in the 1920s. 'Like ham and eggs' refers to things that typically go together and are difficult to separate. To ''ham and egg it'' is to plug away at something. ''Ham and egg'' or ''ham and egger'' can also refer to an ordinary, unskilled or mediocre person.
BLEW HIS BRAINS OUT appeared in the year 1800 referring to shooting / killing someone with a gun which will literally blew one's brain.
TURNING THE WORLD UPSIDE DOWN - to change someone's life completely, often in a way that is shocking or upsetting