To make extremely wet.

Irrigation is the application of controlled amounts of water to plants at needed intervals. Irrigation helps grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of inadequate rainfall. Irrigation also has other uses in crop production, including frost protection.

When your significant other is horny 24/7 and you’re starting to get annoyed with it.

IP is the officially recognized acronym of Irrigation Penis founded by the one and only frog god

When cum goes from a woman’s asshole to her vagina.