Sequoia (n.)

 1. A red wood tree, especially the California redwood.

This word is a 7 letter word that has Q and all 5 vowels. 

Ex.

- I want to visit California where you can see a sequoia.


Till death do us part

 Until death separates us

Drink someone under the table

 To be able to drink much more alcohol than someone else

If someone drink you under the table, it means they drink much more alcohol than you.

- Anne is the only friend I know who can drink me under the table.

Nickel and Dime

Meaning --> it is not important or serious, or it involves only small amounts of money.