A soft giggle is like when you giggle, except it comes out smoother and slightly more silent. It also make's you move less when you do.
I let out a soft giggle as I watched the comedian.
Any group that thinks they are better than others, invites people to join and follow them, likely to have a leader (charasmatic or not), inspires devotion, easy to get enmeshed with others in the group, hard to leave, it becomes more clear that the group has cult like behaviors after you leave.
Soft cults are socially acceptable groups within a culture; families, relegious and spiritual groups, exercise classes...
when you try an insert you flacid member into one of the lower orifices.
ex. a night of heavy drinking has given you a case of whiskey dick and you are so hell bent on getting laid that you try and toss her the soft turtle only to realize your situation is hopeless and no ones getting off...
When a pussy falls from the sky on your head
the pussy was soft
Did you see how Ted left the group chat after he got worked in fantasy? That guys soft.