on stomach
Lying flat on one's stomach. Generally, only the stomach, crotch and maybe thighs need to be completely down flat on the surface.
If one hip is higher than the other, then the character is on their side and should be tagged with on side instead.
See also
The following tags are aliased to this tag: lying_on_stomach, on_belly, on_front, and prone (learn more).
This tag implicates lying (learn more).
The following tags implicate this tag: the_pose (learn more).