Push the two goofy large bean shaped things up into their natural place, pull the silly single longer thing down and under your crack, and keep it in place with shapeware panties, sometimes two or three layers, depending on the occasion. This is how I tuck.
I do not tuck at work or when I am with my wife, otherwise - -
I am tucked when I go surfing.
I am tucked when I ride my motorcycle.
I am tucked anytime I have private time.
I am tucked when I go out for a run.
I am tucked when I go shopping for clothes.
I am tucked right now as I type this.
OK, some times I am tucked at work, but not always.
I don't think of my junk as "my boys", I think of my junk as junk.
Maybe someday surgery will get rid of my junk.
I will stop tucking when I have surgery.