Smiley
To see a smiley face in your dream symbolises approval and validation of your actions. The dream symbol is providing you with reassurance that you are on the right track.
Squint
To dream that you are squinting your eyes suggests that there is some situation or relationship that you need to examine closer. A situation may be unclear or hazy. You are confused about some aspect of this situation. Alternatively, the dream indicates that you are refusing to see the facts of a situation or are in denial about something.
Switchblade
To see or use a switchblade in your dream represents hidden danger. Alternatively, the appearance of a switchblade in your dream implies that you need to make a quick decision.