Simultaneously freebooting someone else's video, claiming it for your own, while also humblebragging about its greatness.
Random Person 1: Man, my video about the American Empire only has 1.4 million views. How frustrating.
Random Person 2: 1.4 million views is awesome, and it's not even your video! It's CGP Grey's! Stop humblejacking, you chump.
Mispronouncing, stuttering, or basically lacking the respiration, phonation, and articulation to replicate human speech. Mainly used when you stumble on a common word or a person’s name - especially a common name or well-known acquaintance.
We tried to pronounce Dan’s last name, but we ended up bumblefucking it all evening.