1) a little bit, a small amount, a sip
2) One of the many words made popular by the famous word creator Ellis
"Let me get a snivvle of that drank"
"I'd be down to drop a snivvle on a blunt"
n. The resulting dribble slowly leaking from the male reproductive organ as a result of contracting an STD from gay sex.
snivvled v. To have dripped a substance out of the male reproductive organ, as a result of gay sex.
The snivvle Clarence got from Chad was so painful, he was rushed to the emergency room.