Like an Uncle Tom, but for the LGBTQ crowd. Someone who sells out their people in exchange for favors or status with the ruling class.
My boss said that I shouldn't kiss my partner goodbye in front of the office because it offends my co-workers, even though he's gay too! What an Uncle Peter!
A portion of food that would feed one uncle Peter but about 50 other humans
The lasagne was an uncle Peter portion
When you ejaculate into food and gain sexual gratification from doing so
Last night Alexanded said that he was going to pull an uncle peter
A selfish and uncaring person who only cares about themselves and no one else. They may also have violent and aggressive tendencies.
The criminal was a bit of an uncle Peter as he had robed an old lady.