Gotcha synonyms

This is a gotcha for many novices because they miscalculate the amount of border they'll need by not allowing for waste at the corners.

Gotcha, that was what we in the know call a 'Rickroll'!"

Fred gave him a big gotcha smile.

While your friend is sleeping deeply, get out a non-permanent marker and write the word "Gotcha", or something to that effect, backwards on his or her forehead.

One big gotcha in design is achieving the right scale for a room.