You've got loads of options. Send him Father's Day Greetings with a sentimental message, a standard 'Happy Father's Day' with a funny pun, or something completely unrelated he'll find hilarious anyway.
Funny fathers day cards
Dads laugh at some groaners, don't they? Funny Father's Day cards are your chance to get him back for all of the not-so-funny jokes he's told you over the years. Yea, who's funny now, dad?