When combined with any noun, either as a prefix or as a phrase, automatically associates that noun with dildoes. Try any random noun, and you will be able to formulate your own "dilldefinition".
dillhole: a hole for a dildo or hole in a dildo
dillsack: a sack of dildoes, or a sack for a dildo
dillfuck: to fuck with or get fucked by a dildo
dillsmeg: dildo smegma
dillsmack: to strike or bludgeon with a dildo
Bush is an idiot dillsuck.