to be snapping at someone’s heels

a snappy come-back

A snappy comeback

snarl-up

to snatch at an offer

to snatch a kiss

to snatch victory from the jaws of defeat

to snatch a quick meal

snazzy

to sneak a peek

to sneer at

I sneeze because I have allergies.

I sneezed because I had a cold.

to sniff a flower

to sniff at

snifter

to be in a snit

to snitch on someone

snitcher

to snog

snog/snogging

to be snookered

snooty-nosed little upstart

to snooze

to snort