'It is what it is'
used when little or nothing can be done about a situation.
'That don't confront me, long as I get my money next Friday.'
A line from the song One Bourbon, one scotch, one beer by George Thorogood. Used to express ones lack of compassion regarding an others personal problems.
'He's not the sharpest knife in the drawer' or 'He's not the sharpest tool in the shed'
'He's not the brightest bulb in the chandelier.'
'If brains was dynamite he wouldn't have enough to blow his nose'
All commentaries on someones intellect (or lack there of).
'If wishes were horses beggars would ride'
'Your big enough that your wants wont hurt you'
used on children (or udults acting like children) who are constantly going around saying "I wish this, or I wish that" and "I want ____ , I want_____."