too-too
/ˈtuːˈtuː/adverb & adjective
- informal, dated used affectedly to convey that one finds something excessively annoying or fatiguing〈非正式, 旧〉太（表示某事非常烦人或令人疲倦的造作用语）：
as adv. it had become too-too tiring太累人了
as adj. it is all just too-too.这太过分了。
词源
late 19th cent.: reduplication of TOO.