(adj.) Having perfect size and symmetry as demonstrated through the use of a caliper or other measuring device; often used to describe a person’s buttocks.
“If you don’t think that girl’s booty is calipcious, then get me a caliper or a yardstick and I’ll prove it man!”
The photosynthesis of the bisector of the perpendicular lines reacts to the radioactivity of the isthmus which then activates the kakorrhaphiophobia of the Matamatas which sends you into a wormhole which then releases you to the caligous alleyway.