look up any word, like bae:
 
1.
This phrase is of Chinglish origin, originally 心塞 or Xin Sai, the characters literally mean 'heart' and 'stop'. It is a nifty expression which suggests a kind of feeling that makes you indescribably uncomfortable.
A: Some say that Justin Bieber is popular only because of his beautiful face, but not his voice.
B: Oh that makes me heart stuck! Justin Bieber has the voice of angel, how dare they say that!
by Travis Who June 05, 2014