expression, noun
lion's share; cream of the crop
Idiomatic expression for taking the best or most profitable part of something, often at others' expense. Used in phrases like うまい汁を吸う.
彼はいつもプロジェクトのうまい汁だけ吸っている。
He always takes the lion's share of the project's benefits.
うまい汁を吸おうとする人が多い。
There are many people who try to get the cream of the crop.
うまみ refers to savory taste or appeal, while うまい汁 is an idiom for gaining the best part of something.
Literally 'delicious broth', idiomatically extended to mean the best or most profitable part of something.