Tile Hog

Tile hog is having all four of the same numerical tile in more than one set. Kongs do not count as a tile hog. This pattern is found in Chinese Official and New Style mahjong.

Example 1

Across two sets: a pung and a chow using 2's

Example 3

Across three sets: two chows and a pair of 3's

Example 2

Across four sets: four chows using 5's