Sun Blink

A gleam or short spell of sunshine. Also fig. and in figurative contexts.
“sun blink, n.” OED Online, Oxford University Press, March 2018, www.oed.com/view/Entry/194055. Accessed 1 June 2018.

I don’t do drawing exercises nearly enough. This is one I like to do. Take a simple drawing and go faster and faster until it becomes a blob.