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

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ghetto as hell;not giving a fuck
that nigga over there is trill as hell for fuckin with shawty like dat!
by thathotfreshnigga October 05, 2009

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To get drunk/tipsy
LETS GET TRILL!!!!
by Hesty November 05, 2008

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to not understand how outrageously inappropriate, taboo, and hilarious one is.
that girl is Trilling too hard
by da rey October 09, 2008

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absolutly discusting
see ya trill and smells like trill
by trillis111 January 20, 2010

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The word Trill means to be cool or to have a skrait life moment... it can also be used to mean True Rights In Love and LIfe... this is how i c the word Trill or T.R.I.L.L.
Also it can be made into a plural noun (Trills)
Yeah even though im not in love with her i still like her. Trill.

Man last night was to crazy i think we should do it again.
Trills.
by RayGlo January 16, 2008

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Trill is a group of ignorant low-lifes that tend to reside in Downtown Albany (229 time) Georgia. This group of neanderthals classify themselves as Emo/Scene kids. They are for the most part seventeen and under in age, and most wear girls jeans followed by there black dyed hair and "Emo hair styles". Some are characterized with features such as large nose's which was never evolved from there prehistoric ancestors. Nor has their mental capasity enlarged or expanded, making them no better than the neanderthals they were once classified as. At least the neanderthals of the past did not wear the opposite sexes clothing.
Rat-face girl and her shrimp for a man. Ignorant "Emo" kids who strive for attention which never become anything more than a common street rat henze their apperance also. The Australians state that Trill is "To give a blowjob to a guy while driving, when there are three girls in the back seat watching on at these events.

Damn girl, i can't believe you just gave that guy a Trill!"
by Thraind September 19, 2006

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Someone who seems to have multiple personalities, or is two-faced.

Derived from the Trill species in the fictional Star Trek universe, in which a host's personality changes when merged with a symbiont.
"Dude, she was all over you last night, now she's being a major bitch. What's the deal?"
"She's fucking trill."
by Meus Nex October 24, 2008

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