I don't know what that means. Where did you find that phrase?

eugene, arch = self consciously playful or teasing arch = marked by a deliberate or and often forced irony She was too arch for words. Words could not describe how arch she was. The expression "too cute for words" has a similar meaning. cute = clever shrewd cute = pretty cute = clever or shrewd in a underhanded or forced manner She was too cute for words.

from Oxford English Dictionary 1 a curved symmetrical structure spanning an opening and supporting the weight of a bridge, roof, or wall. >an arch-shaped curve. 2 the inner side of the foot. verb form or cause to form an arch.

what does the word 'arch'mean,

I wanna know the answer too