smack

smack-bang (British, American & Australian, informal, American, informal)

exactly in a particular place, especially in the middle of somewhere. She lives smack-bang in the middle of London. (always + adv/prep)

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smack your lips

to show excitement or satisfaction. Planners began smacking their lips at the thought of all that farmland to build on.

Etymology: from the sound made when you quickly move your lips together and apart to show you are hungry or that you like something

See also: lip

smack of something

to have some of the characteristics or qualities of something. The book smacks of having been written by a committee rather than an author with a point of view.

Usage notes: often said about a negative characteristic or quality, as in the example