People say that the elevator doesn't go all the way to the top or that someone's elevator doesn't go all the way to the top to mean that someone is stupid or mentally ill. I get the feeling his elevator doesn't go all the way to the top.
Too much mucus buildup in throat is most often due to excessive post nasal drip. This can be caused by allergies, flu, and the common cold. The phlegm that accompanies an infection can hang around long-term. It usually clears up within 4 to 6 weeks, but for some people the problem can drag on for months.
Mucus and Your Diet. Certain beverages and foods can trigger excessive mucus production in the body. Two main foods that cause excessive mucus build-up are dairy and wheat. Casein in dairy products (milk, yogurt, cheese, etc.), and gluten in wheat require strong stomach acids for digestion. Once digestion is complete, food particles are left over that are too big to be used by the body.