Someone who excells in the art of 'Lovelocking' paperwork, basically constantly looses important paperwork/important objects, espescially just before they are needed.
Have you got that sheet with the serial numbers on it for this kit John?
*10 mins later after evryone in the office is looking for it*
You've Fucking lovelocked it ain't you John.
"sprung" ; the act of being in love with someone so much that you wouldn't cheat on them ; faithfulness.
"omg tina guess what?!"
"jimmy has me lovelocked!"