What occurs when someone wears socks that are way too small for their feet. The socks slip under the person's heels and settle under the arches of their feet, forming a "puddle" of their sock(s).
While walking to school, John felt his feet starting to get uncomfortable. He realized he was getting sock puddles, as a result of wearing his smallest ankle socks.
A gathering of cum that forms in the sheets following sex or a really steamy dream. It often leads to sheets being washed or if feeling exceptionally shameful, burned.
Girl: YOU BUTTHOLE, you had me land in a bedpuddle!!!
Me: I'll start the fire.