hummer

Short definition from Wiktionary

Noun

1. 1
   One who hums.
2. 2
   A Humvee.
3. 3
   A type of vehicle resembling a jeep but bulkier.
4. 4
   A hummingbird.
5. 5
   A humdinger; something or someone exceptional or outstanding of their type.
6. 6
   A machine that runs particularly well and smoothly.
7. 7
   A very energetic or lively person; a powerful lively thing.
8. 8
   A place, event etc. that is bustling or full of activity.
9. 9
   Something that generates a lot of attention, talk, and excitement.
10. 10
    A fastball.
11. 11
    Fellatio, especially when the person performing the act vibrates their mouth by humming.
12. 12
    Someone who upsets or irritates others; a trouble-maker or controversial figure.
13. 13
    The condition of having no money.
14. 14
    An admirer.
15. 15
    A tantrum or fuss.
16. 16
    A lie or tall tale.
17. 17
    A liar.
18. 18
    Something that smells very bad.
19. 19
    An arrest on false pretexts.
20. 20
    A brand of sport utility vehicles sold by General Motors, and by extension, any large similar vehicle.
21. 21
    The HMMWV or Humvee, a US Army vehicle which replaced the Jeep.

Proper noun

1. 1
   A surname from German