"赤裸裸"的意思是完全没有遮盖，很直接、很真实地表现出来。

"赤裸裸" means completely uncovered, expressed very directly and truthfully.

我们常用它来说很明显、很露骨的事情，比如"赤裸裸的谎言"。

We often use it to describe something very obvious and blunt, like a "赤裸裸的谎言" (barefaced lie).