Jiro jiro

Jiro jiro is used when someone is staring at someone/something for quite a long time.
usually someone who is being stared at feels uncomfortable.

i.e)
Jp: Ano ojisan ga zutto watashi wo JIRO JIRO miteimasu. Kimochiwarui!(or kimoi!)
　(あのおじさんがずっとわたしをじろじろみています。きもちわるい！)
En: That old man keeps staring at me. it's so creepy!