A term used to indicate that someone is unbalanced and/or needs to seek medical attention for a mental disorder.
550 First Avenue is the location of the New York University Department of Psychiatry - one of the largest psychiatry faculties of any department in the United States. Whether the subject is neuropsychiatry or psychoanalysis, psychopharmacology or behavorial therapy, positron emission tomography or epidemiology, child psychiatry or geriatric psychiatry, there is an expert in this field.
Dave: "Did you see John last night - acting all weird? The guy is losing it!"
Bob: "Yep, we'll be sending his Christmas card to 550 First Avenue soon enough."
an interrogation technique simulating the experience of drowning, in which large quantities of tea are poured over the victim's face and into the victim's breathing passages.
A lot of people are quick to try and change something once they get bored or frustrated with it, but they're not as quick to try and preserve something that's already there. That's like throwing out decent food because it's a day old for a quick fix of instant gratification at a fast food restaurant because it was cooked that day and not reheated.
Things not changing fast enough for some people isn't frustrating, people that need everything to change to keep from getting bored or frustrated are frustrating people to know.