Correct

满脑子

/ mǎn nǎozi / 
Strokes

Example

As a Noun

one's whole mind

1
Nā
那
nánhái
男孩
mǎn
满
nǎozi
脑子
huài
坏
zhǔyi
主意
  
。

The boy's head is full of bad thoughts.

2
Mǎn
满
nǎozi
脑子
fēngjiàn
封建
sīxiǎng
思想
  
/
rújiā
儒家
sīxiǎng
思想

be steeped in feudal ideology/Confucian ideas

3
Mǎn
满
nǎozi
脑子
mínglì
名利
sīxiǎng
思想

have one's head filled with thoughts of personal fame and gain

4
Mǎn
满
nǎozi
脑子
dúdào
独到
de
的
guāndiǎn
观点

be full of original ideas