"Bolixed up" can refer to being confused, discombobulated, or muddled. It could also mean something that has been messed up, jumbled or tangled. Other synonyms that could be used for this phrase include disordered, chaotic, topsy-turvy, or entangled. It might also mean being mixed up or mistakenly interchanged, in which case interchangeable words could include scrambled, interchanged, jumbled or convoluted. This phrase is often used to describe a disorganized situation, or the aftermath of a mistake or error. Regardless of the context, the words used to describe something "bolixed up" evoke a feeling of confusion, chaos, and disarray.