'No buns among us'... A strange affliction affecting those ass-less souls who are nothing but hips and legs and no butt whatsoever. The opposite of 'junk in the trunk', this person no trunk to put any junk into.
Steve: "Hey Bro, check out that girl over there, nice body!..."
Mike: "She's ok, but it looks like she's suffering from a sickness though..."
Steve: "What do you mean???"
Mike: "She's suffering from a bad case of 'nobuns amongus', she has no butt. Come on Bro you know I'm a butt fan...