Most of the time native, adult, Deaf people (active in the Deaf
community) just spell T-R-U-C-K.
I've noticed though that the handshape of the "C" tends to mutate a bit when
spelling T-R-U-C-K. The "C" in TRUCK tends to use just the thumb,
index finger, and middle, finger. Here is an example of the modified C:
Sample sentence: YOU PREFER CAR [bodyshift-"or"] TRUCK? (Do you prefer cars
Note: I used the iconic version of "CAR" in the above example, but you will
likely also see the word "car" spelled out, (C-A-R).
TRUCK [Verb Form] "Driving a large truck or bus."while telling a story
Here is a good version to use