What is 1444?
Refers to the celebrity pairing of Japanese idol singers Ishikawa Rika and Yoshizawa Hitomi. Generally refers to them in a romantic sense, but not always.
14 refers to Ishikawa Rika (14 being read as Ishi)
44 refers to Yoshizawa Hitomi (44 being read as Yoshi)
Q: Did you see that new concert?
Po: Yeah, it was totally full of 1444 moments!