residue. noun remainder, remains, remnant, leftovers, rest, extra, balance, excess, surplus, dregs, residuum She loaded the residue of lunch onto a tray.
Best Answer: Boogers are made of dried mucous, dust,pollen and anything unwanted breathed up your nose. Eating boogers is said to boost your immune system when your a kid. But adults should just use a handkerchief.
The idea is that eating your boogers introduces manageable amounts of bacteria to your immune system, providing a safe way for it to produce antibodies. There's also the theory that exposure to bacteria reduces the chance of developing allergies.