As in,"That's the tits!". Used when describing somethingunbelievable. A phrase one shouts out when overly excited. Means;greatest, chillest, sickest, etc.
"Dude check out my new car"
" That's the fucking tits!"
"Can you believe that girl went home with me last night?"
"That's the tits no doubt, she had the tits too so its a double whammy!"