A person, often of elitist persuasion, often women, who maximizes the duration of words while minimizing the duration of spaces between words because: (a) the person wishes to prevent interruption during speech, and/or (b) the person requires more time to create connecting sentences due to the influence of mind-altering chemicals, such as marijuana.
Related to: ummer
While narrating classic literature for a public radio program, a Berkeley hummer from The New York Times took five minutes to read the opening line of Moby Dick, in the morning.
1. Even better than a blowjob, it's when the person actually hums/vibrates their lips while their mouth is around your cock.
2. One of the least fuel efficient vehicles on the Earth.