NO.

My concern is that instead of coming up with a better name, you're here asking if "lol____" is acceptable, which says something about your ability to come up with good branding ideas.

For me, this would immediately fall under the category of "if you have to ask, you probably shouldn't do it" ... unless of course you have a really good reason, but then you wouldn't be asking.

So without more information on what exactly the proposed name is, and what amazing product your startup is promising, I'm going to straight up say no.