An adolescent that expresses extremely irritating qualities such as unnecessary screeching, attempting to revive dead memes, and lacking basic intelligence and maturity. These qualities can be represented through the analogy of a burger; just as many components come together to create a good burger, many irritating components coalesce to become a tweeny burger.
N: A child, usually between the ages of 9 and 15, who seeks to imitate all that is celeb or fashionable while at the same time reflecting the society of their local high school. Usually female.
The seniors laughed when they saw the gaggle of tweeny bopper girls, all wearing identical short pleated skirts at the football game and complaining about how cold it was.
A term usually used in a disparaging sense relative to synthesizers. Often used in conjunction with the adjectives, "thin" and "weedy". The opposite of fat in synth speak.
That synth's sounds are so thin and tweezy - I'd rather listen to my sister scratching her fingernails on a chalkboard.