おも思omoいつきitsukiおも思omoいiつ付tsuきki
1.
A sudden and spontaneous concept or thought that comes to mind, often without prior deliberation or planning.
2.
An imaginative notion or proposal that arises in response to a situation or need.
3.
A casual or informal suggestion that may not be thoroughly thought out, but reflects an individual's creative thinking.
Example:
それについて一つ思いつきを言ってもいいですか。