(Internet slang) OP

(grammar) main clause

muscle, tendon / vein, artery / reason, logic / plot, storyline / counter for long thin things; counter for roads or blocks when giving directions / lineage, descent

Counter for long, thin things.

upper teeth

the diagram above; the top illustration

(as a) matter of fact; actually; in reality; de facto

(military) a high-ranking general (officer) or commander / (military) Clipping of 上将軍 (jōshōgun, “shogun-in-chief”).

(military, of the People's Liberation Army Ground/Air Force) a general / (military, of the People's Liberation Army Navy) an admiral

(military, of the Korean People's Army) a colonel general