with a smack

Explanation

1. with a smack
A word used to describe the sound made when one clicks one's tongue and then smacks one's lips once, or such a motion.

2. with a crack
A word used to describe the sound made when something splits or cracks noisily in one motion, or such a motion.

3. with a split
In the manner of someone opening his/her mouth, spreading his/her arms, legs, etc., wide.