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to exert unnecessary force
If Leo continues to hammerdick his car like that he's going to blow that shit up.
by cdamiano August 09, 2006
15 8
One who drives with careless disreguard. Used by truck drivers to describe eachother. Hammer as meant to be the accelerator, Dick as used to be dicking around and driving like a dickhead. Can also be used as Hammer Dicken.
Christina said to her boyfriend " I got behind this Hammer Dick on the freeway.


Marsha was Hammer Dicken to get home to make supper
by SpdR8ser December 12, 2007
8 4