You use for the most two characters that are kinda slighly countered by chomper. That's it.
The reason why spikeweed ois instant (thanks god) because it's a stationary, almost useless, cc.
If it was thrownable like a time snare i could agree, but you need toget closer to people.
Correct your positioning if chompers are making you issues, stay with frirnds, that's it.
Also as a scientists tbh there are ways to couner him.
You have to predict their goop by using warp.
It's easier than you think. When you see a Chomper approaching you, instead of escaping (because they can't trade you) and there are straight 10 metres near your face..well,you know they're going to goop you