2. An assault on someones dick while fighting, usually it is attcked while trying to get a hold on someone.
3. Something to do to someone when you want to do something horrible but not to mean.
The victims of a dick grab usually dont know what to after the attack, they contemplate on buying the attacker dinner, taking a shower, or maby even commiting a dick grab themselves.
Chip: Sounds like you just got dick grabbed.
Robbie: Come here ill do it again you little bitch!