Encara no tenim significats per a "become madder".
1Along with interest in, and demand for, the fruits of the rain forest, Pucallpa will continue to grow, to become madder and even more raucous.
2They became madder and madder and madder, and they never did so cheaply.
3Heinrich became madder than before at this remark.
4He became madder than ever, sullen and morose.
5It became madder and madder.