A really smallanimal that is an invertebrate. Some insects are pests. Others can be helpful. For example, bees make useful products like honey and wax.
When a person in your life becomes so annoying to the point where they are just purely obnoxious that you want to get them out of your life (almost like squishing a big to kill it)
Hannahacting like such an insect, she keeps avoiding us for her boyfriend.