What is Snow Turd?
1.
the build up of snow & ice under a moving vehicle during a snow storm, which eventually falls off and rolls out from underneath.
"Hey Dave, check out that snow turd coming out from that truck!"
See
2.
The build up of snow and or ice which falls off of moving vehicles and rolls out from underneath it.
"Hey Dave, check out that huge snow turd that came out from underneath that truck!"
See