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41.
From the Origin:
1635–45; < It trillo quaver or warble in singing ≪
Gmc; cf. D give trillen to vibrate, late ME trillen to shake or rock (something)
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verb (used with object)

1. to sing or play with a vibratory or quavering effect.

2. Phonetics. to produce (a sound) with a trill.

3. (of birds, insects, etc.) to sing or utter in a succession of rapidly alternating sounds.

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verb (used without object)

4. to resound vibrantly, or with a rapid succession of sounds, as the voice, song, or laughter.

5. to utter or make a sound or succession of sounds resembling such singing, as a bird, frog, grasshopper, or person laughing.

6. to execute a shake or trill with the voice or on a musical instrument.

7. Phonetics. to execute a trill, esp. with the tongue, as while singing, talking, or whistling.

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noun

8. the act or sound of trilling.

9. Music. a rapid alternation of two adjacent tones; a shake.

10. a similar sound, or succession of sounds, uttered or made by a bird, an insect, a person laughing, etc.

11. Phonetics.
a. a sequence of repetitive, rapid, vibratory movements produced in any free articulator or membrane by a rush of air expelled from the lungs and often causing a corresponding sequence of contacts between the vibrating articulator and another organ or surface.

b. a speech sound produced by such a trill.
’if we can discover the meaning in the trilling of a frog,
perhaps we may understand why it is for us not merely noise but a song of poetry and emotion.’

adrian forsyth
by citypix November 11, 2009
180 247
 
50.
gngsta, streetwise,tough
he a trill ass nigga

keep it trill
by lil trill April 10, 2003
21 133
 
51.
Its Bird seed, and my rap name for like a year or 2.......wheeeeeeeeeeeeeeeeeee i'm bird seed

rough street wise person
The other day, i was at my friend's house recording, i ran out side, and looked up to the sky, yelled out to the birds "YES IT IS I YOUR MASTER COME FEED ON ME" strange they didnt pay attention to me, ignant ass birds NO FUCKING JOKE
by tRiLL January 21, 2004
14 127
 
52.
My boss at work - he is allus whistling - the trill, a video camera, me, tasha, shell, carl ayres, anything and everyone can be a trill.
Kev have you had your trill today?
by Joanne July 22, 2003
7 121
 
53.
Its like choppin and screwin the sayin tr-uly ill; trill
got mad luv for that criter, he trill
by Spizite May 17, 2006
14 129
 
54.
three times as real

use it when you expressin how much more real you are than someone else
He keep it real, but I keep it trill ..
by Buddha February 02, 2005
15 131
 
55.
the quick repeated alternation between a note
and the note a semitone or whole tone above or
occasionally below it.
by Anonymous January 15, 2003
271 387
 
56.
hard or gangsta
"u think u trill?"
by sn0man December 16, 2006
11 128