This week's theme:
Smoochy; about kisses

peck

as a verb:
1) a light kiss.
2) to strike with a beak or with a point.
3) To nibble or eat in small quantities.
4) to incessantly criticize.

as a noun:
1) A dry volume equivalent to 8 quarts (a fourth of a bushel)
2) A large quantity.

Examples:

as a verb:
for 1: Johnny blushed after Melinda gave him a light peck on the cheek.
for 2: Susie's shoes got pecked to bits by ferocious green chickens.
for 3: Carlos glumly pecked at his cafeteria lunch - nothing worse than fried green chicken.
for 4: Rachel's output was constantly pecked by her boss that she wished she could find another job.

as a noun:
for 1: There are about 25 oysters in a peck of oysters.
for 1: So tell me again why Peter Piper picked a peck of pickled peppers?
for 2: Driving cross-country was a peck of fun.