A Middle Georgia term meaning : An individual under the influence of, or will do anything to get methamphetamine.
Ex. 1
Jim- hey, look at T.W. over there...
Dante- haa yeah I see him over there Twirlin' that bowl.
Ex. 2...
T.W- Hey man! Where's the twirly?!
Frank- Idk I just told you that..
(10mins later) T.w. - Ay Frank where's the Bird at?
Ex 3...
Jacob- hey! dad the boats gone!..
Dad- Its must have been them gott damn Twirly Birds...