глаг.

smack ([MlowG smacke, smack, of echoic orig.]; to press (the lips) together and part them suddenly so as to make smack); squelch (по грязи; The boy squelched through the mud kisekbas); smack one’s lips; chirrup (to make a series of sharp, sucking sounds with the lips, as in urging a horse on)

Макаров.

give a squelching sound; make a smacking sound with one's lips (губами)

разг.

make a smacking sound with lips; make a squelching sound; smack lips; give a smacking kiss; give someone a loud kiss; make a squirting sound; buss (целовать Abysslooker)

Gruzovik, разг.

make a smacking sound with one's lips; smack one's lips; give a smacking kiss; squelch (make a sucking sound); make a squelching sound

чмокаться глаг.

Макаров.

give smacking kisses

Gruzovik, разг.

kiss one another noisily; plop

чмокающий прич.