I'm kinda feeling like there should be a difference between ass_grab as done by someone else (like post #1118157) and ass_grab as done by the character themselves (like post #1113466).

I suggest ass_grab and self_ass_grab.

Maybe the second one can be a subset of the first one (implication self_ass_grab -> ass_grab).

Alternative idea:

• grabbing_own_ass
• grabbing_another's_ass

(compare hand_on_own_face and hand_on_another's_face)

But I like both ideas.

and there's hand_on_ass as well. a super tag for self and another's?

I'd say to go with Daniel's suggestion for consistency. The question would be what we alias ass_grab to, if anything.

1. We could keep ass_grab and its two subsets (I've already populated them a little):

create implication grabbing_own_ass -> ass_grab
create implication grabbing_another's_ass -> ass_grab
create alias grabbing_ass -> ass_grab

2. ass_grab is always groping, no?

create implication ass_grab -> groping

3. post #1140979 and post #1125414 qualify hand_on_ass, but not ass_grab

I can see two possibilities here:

• separating hand_on_ass from ass_grab, leaving the former ONLY to instances where the hand is NOT properly grabbing the ass
• implicating the latter to the former

The first one seems too problematic; the implication is semantically accurate, and easier to maintain...

create implication ass_grab -> hand_on_ass

Tentacles can grab your ass, but are not hands.
Groping means to touch another person, not yourself.

Thank you, Sleth.

create implication grabbing_own_ass -> ass_grab
create implication grabbing_another's_ass -> ass_grab
create implication grabbing_another's_ass -> groping
create alias grabbing_ass -> ass_grab

I do think that simply using ass_grab and self_ass_grab is better because:
1. it's shorter and simpler;
2. it's more consistent with related breast_grab and self_fondle tags.

Did
create implication grabbing_own_ass -> ass_grab
create implication grabbing_another's_ass -> ass_grab
create implication grabbing_another's_ass -> groping
create alias grabbing_ass -> ass_grab