atlock34 Means to lock the word "at" away from somebody so they can no longer use it unless they have the 34 keys that will work on the lock.
Yes, the lock has 34 keyholes.
"Well s("t, someone atlock34'd me out.
Another cringy minecraft youtuber that makes content similar to gevids and ayoden.
Viewer: *watches purpful video*
Purpful: "Ooh another view to add to my 700k views that i posted a lot for"