kalci gismu

x₁ is a/the feces/excrement/dung/shit of x₂ (animal/person); (adjective:) x₁ is fecal (matter).

Also crap. See also ganxo, pinca, vikmi, mabla, festi.

In notes:

festi: x₁(s) is/are waste product(s) [left to waste] by x₂ (event/activity).
ganxo: x₁ is a/the anus/anal orifice/asshole/arsehole [body-part] of x₂; [metaphor: exit, waste exit].
mabla: x₁ is execrable/deplorable/wretched/shitty/awful/rotten/miserable/contemptible/crappy/inferior/low-quality in property x₂ by standard x₃; x₁ stinks/sucks in aspect x₂ according to x₃.
pinca: x₁ is a/the urine/piss/pee of x₂.
vikmi: x₁ [body] excretes waste x₂ from source x₃ via means/route x₄.
klo'aka: x₁ is a cloaca of x₂.