Lurp as a verb describes the act of depositing a fluid or semi-fluid on to something in a less than controlled manner, so as to create a mess. The fluid in question is typically a sticky, slimy, gooey or messy substancefrequently a bodily fluid.
At home example A: Taking Zoloft made it difficult for him to cum. He had to spank it so wildly to get off when he did finally cum he lurped all over the place, the head board, the pillows, her hair, her face and her tits.
At home example B: WOW… I must have been working your G-spot just right… when you came you lurped everywhere.
At work example: Hurry up, just lurp that bondo all over the damaged area before it cures. We’ll sand the excess off later.