KanjiJLPT N2
Fat

fat, grease, tallow, lard, rosin, gum, tar

Mnemonic

The moon tonight looks so round and delicious, like a glistening ball of fat dripping from the sky. You reach up and take a bite — greasy, rich, and impossibly savory. The moon is literally made of rendered fat, leaving your fingers slick and shiny.
Additional thoughts
Picture a full moon that looks like a giant orb of golden rendered fat — so delicious you can't resist tasting it. The greasy texture on your fingers reinforces the meaning.
Quick recall
The moon looks delicious — it's a giant ball of fat.

Details

The keyword for 脂 is fat. This kanji refers to fat, grease, or oily substances, particularly the kind found in animal tissue or produced by the body. It encompasses both the concept of body fat stored beneath the skin and the greasy, oily residues associated with cooking or natural secretions. It can also extend to resinous or waxy substances in a broader sense.
On'yomi
Kun'yomi
あぶら