Pull really hard (3)
I believe the answer is:
tug
(Other definitions for tug that I've seen before include "Small ship for pulling" , "Towboat" , "Pull suddenly; boat" , "gravitational force" , "Pull vigorously at or tow" .)
I believe the answer is:
tug
(Other definitions for tug that I've seen before include "Small ship for pulling" , "Towboat" , "Pull suddenly; boat" , "gravitational force" , "Pull vigorously at or tow" .)