The idiom "horn in" means to intrude or interfere rudely and aggressively. Its origin dates back to American cowboy slang from the late 19th century ( around 1880 ) . The phrase uses the metaphor of a bull or steer butting in with its horns
خود را توی چیزی داخل کردن - وسط چیزی پریدن - توی چیزی دویدن
