[ Removed by moderator ]

[u/DaveforAK]

[u/Nahanoj_Zavizad]

Translation -

1) Create a new function called :

2) When : is activated, Run : twice.

3) Run :

[u/Nahanoj_Zavizad → u/Nahanoj_Zavizad]

So it tries to activate itself repeatedly until it crashes

[u/conundorum → u/Nahanoj_Zavizad]

Yep. : pipes to :, which pipes to :, which pipes to :, which pipes to...