The original dad joke
Kneeslappers are the original dad joke. A joke so bad...it's good.
These are the kind of jokes that you may have to repeat to your kids and/or coworkers so they "get it". Because, as you already know, dad humor can take a second to sync in.
Who are Kneeslapper tees made for? Anyone with a historically great sense of humor. You don't have to be a dad to spread the hilarity of Kneeslapper tees.
Here's a handy guide (with helpful pictures) for picking out sizes.