A verb used to ruin the beautiful act of lovemaking. May also be used in an affectionate way, such as when someone is actually trying to tell you that they love you and that you are the best lay they have ever had.
"Can I lolbang you?"
"Sure hun, after I ram my fist up your arse."
(giggles from both parties)
Guy 1: You Fucking Idiot, I told u not to flush the fucking cat down the toilet. Its not good for mister kibbles.
Guy 2: Sorry Bro, I forgot
Guy 3: Why the fuck did he even need to be told to not flush a cat down the toilet.
Guy 1: Cuz hes a fucking idiot!
Random Guy on the Streets: LOLBAT11!!