To check to make sure that you haven't defined any other words in a way that could be incriminating.
I'm glad I double checked the urban legend website and wrote the webmaster before my school did.
από Rob White 17 Οκτώβριος 2004
When a message gets delivered and read without a response.
That fuccboi double checked me
από bossloaf 4 Νοέμβριος 2015