Lub Lub - Noun - in The Casino Game Pai Gow - When the dealer cannot make a hand.
Very popular phrase among casino folks in Las Vegas and Atlantic City
The dealer flips his cards, and has nothing, thus losing to everyone at the table who has a hand. You could say "Lub Lub"
When a Caleb has chub chub on his tub tub he becomes a Lub Lub
"Have you seen Caleb? No...he's not with us any longer......but i've seen Lub Lub!