First a few with a police theme:

FOP TB (Fraternal Order Of Police Thunderbird)

Not sure of the number of letters allowed in your state.

FOP BIRD
BOOK EM

Now some non cop ones:

SKYBIRD
LOOK UP
BIRDME
REDBIRD (Takeoff of REDBULL) ALSO: REDBYRD, REDBRD
BIRD 09 (if a '09 Thunderbird..if 2008 then BIRD 10)
BIRDBOY
MYBIRD
MY TB
MYTBRD
BIRDJOY
FIL BIRD, PHILBRD
GOODGUY, GUDGUY
TBRD LUV
AIR BIRD (AIR BRD)

A few with a topic of being in the open air:

NO AC
HEAT ME
SUNBURN
COOKIN
BURNT

And to address the situation:

CRISIS

If I happen win, please donate the chip to the membership....to go to the next new member to join the CC/GTCC.