[weather] See: [FAIR-WEATHER FRIEND].

[welcome mat] {n.} 1. A mat for wiping your shoes on, […]

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

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

[work in] {v.} 1. To rub in. * /The nurse told […]