One who wants everything may lose it all.

Alternative form of all things to all people

(idiomatic) Someone or something that entirely satisfies the expectations of everyone, no matter how diverse and conflicting those expectations may be.

Alternative form of all singing, all dancing

Alternative form of all singing, all dancing

(chiefly US, derogatory) Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.

(idiomatic) Clumsy; awkward; not dextrous.

Eating all; consuming everything.

As a group. / In the same place. / All at the same time.

(set phrase, colloquial) Suddenly, quickly, without warning.