Definition 1 of 3
Literally, to hit someone (really hard).
(He's talking too much. I killed him then and there itself."
Definition 2 of 3
Accidentally ramming into another person's car or into a pedestrian
Person 1 - What was that?
Person 2 - *Smiling broadly - Thok Diya -
Definition 3 of 3
("All night I 'thok'd' and collapsed exhausted...")