[what's cooking] See: [WHAT'S UP].

[what's doing] See: [WHAT'S UP].

[what's sauce for the goose, is sauce for the gander] What […]

[what's the big idea] or [what's the idea] {informal} What is […]

[what's the idea] See: [WHAT'S THE BIG IDEA].

[what's up] or [what's cooking] also [what's doing] {slang} What is […]

[what's what] or [what is what] {n. phr.}, {informal} 1. What […]

[what's with] or [what's up with] also [what's by] {slang} What […]

[wheel] See: [BIG CHEESE] or [BIG WHEEL], [GREASE THE WHEELS], [PUT […]

[wheel and deal] {v. phr.}, {slang} To make many big plans […]