Fetching details from the dictionary...
frankly; honestly speaking; to tell the truth; to put it bluntly
speaking one's mind and holding nothing back
really; extremely; super
ぶっちゃけ、あまり好きじゃない。
Honestly, I don't really like it.
ぶっちゃけ面倒くさいんだよ。
To be honest, it's a pain.
ぶっちゃけた話をしようか。
Shall we talk frankly?