Pop on Definition 1 of 2Pro Tip 1/3Quick Action Use 'pop on' to describe a simple, quick action of dressing or accessorizing. Before the party, I just need to pop on a necklace. Pro Tip 2/3Colloquial Casual 'Pop on' is casual, suitable for informal conversations, not for formal writing. I'll pop on my glasses and see it better. Pro Tip 3/3Light Effort It suggests the task is done with ease, without much preparation or effort. Just pop on your hat, and we'll go out.