When a girl is so wet that it's soaking everywhere so you take your dick and balls and start smacking them on the sheets causing her juices to splash everywhere
Matt gave MaryBeth the juiciest Puddle Slapper after she pegged him
One huge, impressive beast of a penis that is best used to slap a vagina into submission.
"That bitch was wet, but far too tight for me to slip it in her, so I just got my Meaty puddle slapper on the case"