Possible Clues:

• How some pass time
• For no reason, I don't like your tops
• I delay every so often; it's how I behave?
• Without a lot of thought
• One way to "sit by"
• With little consideration
• How chatterboxes may chat
• One way to sit "by"
• How thumb-twiddling is done
• Being a fool one puts up with this without much effort