Interbloker 

A "friend" that won't leave you alone and is not welcome.

Person 1: "Who is that guy"
Person 2: "He's an interbloker"

Interbloker by Jankyjank November 17, 2012

Loblolly interloper 

Someone who is stupid/awkward and an unwanted meddler

He kept awkwardly reinserting himself into the conversation but it was clear the group identified him as nothing more than a loblolly interloper.

Loblolly interloper by MD girl 5 November 25, 2013

interloper 

Any individual who intrudes or does not belong- in a conversation, at a social gathering, or anywhere else. First popularized by Malachai, of "Children of the Corn".

Friend 1: "Yo, who invited him? Who's that guy lurking in the corner?"

Friend 2: "I don't know who that interloper is, dude."

interloper by J3553 November 27, 2007

interloper 

Garbage ass chapter of Half-Life

Jim: Hey did you play Interloper? It's my favorite chapter!
Tim: What the fuck Jim

interloper by dakota724 November 9, 2021

intersloper

noun; person that gets in your way while skiing or snowboarding.

I had a good run going until that intersloper cut me off.

intersloper by ARCrider June 22, 2005

interloper 

The friend that moves in on the guy who's talking to you at the bar. She thinks she is the cutest of the group, and therefores feels entitled to any man, attractive or not, particularly if he's talking to someone else.

That Nicole is such an interloper. She's talking to the guy that Krista likes while she's in the bathroom.

interloper by sarahleigh 24 December 30, 2008

vacuous interloper 

An inanely stupid person whom intrudes on the privacy or property without permission.

get ur hands off my computer you vacuous
interloper!

vacuous interloper by Weird big nick from IT October 31, 2003