3peater - What is 3peater short for in Plants vs. Zombies games?

3peater is short for "Threepeater." See an example of how people use it.
In Plants vs. Zombies games, 3peater is short for threepeater, which is a plant that shoots peas in the lanes around it (their lane and the one above and below it). Plants vs. Zombies (often abbreviated as PvZ) is a series of tower defense games where plant-wielding players defend against a horde of invading zombies. The games are available for most gaming platforms, including mobile devices.

Threepeater PVZ Greeting Card for Sale by RichardKellner

Plants vs. Zombies: Garden Warfare - Threepeater by Rose-Supreme

PvZ 2, Level UP Threepeater at level 17

Squash and Threepeater by islam-mashina-arts on DeviantArt

Plants vs Zombies Threepeater

JHESAO 3 PCS Plants and Zombies vs Threepeater Plush

Threepeater Plush Plants vs. Zombies Toys Stuffed Plushies Doll 6

Plants vs Zombies Threepeater in game accurate HD by

Threepeater (Plants vs. Zombies 2)

Threepeater/Gallery, Plants vs. Zombies Wiki

Threepeater/Gallery, Plants vs. Zombies Wiki

JHESAO 7 Pea Plants and Zombies vs Peashooter Plush