Stands for "unauthorized local percussion expert", and refers to a self-possessed a**h**e living near you who fancies himself such a pro on da drums dat he plays dem from early morning, almost continuously all day, and late into da night, disturbing da public peace and keeping all his peace-'n'-quiet-loving neighbors awake till all hours.
{{Thump-thump-thump, thump-thump-thump, thump-thum-thuh-thuh-thuh-thuh-thump; thump-thump-thump, thump-thump-thump, thump-thum-thuh-thuh-thuh-thuh-thump...}}
Citizen: Ooooooohhhh, brother --- there goes our u.l.p.e. bangin' on his confounded drums again! How can he play 'em all day and half da night like dat?! Don't his arms and wrists ever get sore? Doesn't he ever sleep???
When someone mentions something that is outdated by something better or newer. Calling out conformity or "the traditional old ways". Used amongst primarily amongst gamers but can be used elsewhere.
Example 1:
Gamer 1: 'Sup lads, we all in Teamspeak?
Gamer 2: Teamspeak in 2017 L U L. Get in Discord.
Example 2:
Mate 1: Hey guys you want to come with me to get my new flip phone?
Mate 2: Flip phones in 2017.
Mate 3: LUL