In addition to my comments below; another idea is to visit party stores because they often have a variety of cheap and fun novelty items and products for sale. These items and products might be right on point for gifts. Maybe going to visit stores when their products are on sale is a good idea too.

I really do like the answer and suggestion below from ChiWren about DIY Christmas crackers. This really is such a good idea and it could also be used for other celebrations and events during the year. it would work for birthday celebrations, Easter celebrations, Mother’s Day & Father’s Day and the list is endless.

Not particularly a gag gift. But this year I purchased the DIY Christmas crackers to fill myself. Most of them have a mingle seasoning shaker in them, along with a joke and a hat. I thought it was something silly and a change from the plastic, useless things crackers usually have