If fibre & stool softeners don't work, an enema might be in order. This is an enema bulb:

They're used anally or vaginally for cleansing purposes, but also for severe constipation. You squeeze it and suck up some room temp water with it, insert the rectal syringe (rectally, might want to use some sort of lubricant for comfort) and squeeze to squirt water up inside. One shot might do it, but as this pic shows 3 different size options from this brand, sometimes more water is required and you can simply hold the water in, reload the bulb, and add more water up there. It'll loosen things up and then it all just flows out with ease.
Annnd, in some cases, a doctor might put a glove on and use a lubricated finger to jostle things loose if absolutely necessary - but I think that's quite rare.
Chances are pretty good that a laxative pill will do the trick. Or a glycerin suppository. But a water enema is a good option when necessary.
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No

for supporting trump. Because doing so is deplorable.