chock vs for real

chock

• Entirely; quite. 

• To make a dull sound. 

• To stop or fasten, as with a wedge, or block; to scotch. 

• To insert a line in a chock. 

• Any fitting or fixture used to restrict movement, especially movement of a line; traditionally was a fixture near a bulwark with two horns pointing towards each other, with a gap between where the line can be inserted. 

• Any object used as a wedge or filler, especially when placed behind a wheel to prevent it from rolling. 

for real

• Genuinely, truly. 

• Genuine, true; serious, earnest.