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."
Friend 2: "I don't know who that interloper is, dude."
by J3553 November 27, 2007

by dakota724 November 09, 2021

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.
by sarahleigh 24 December 30, 2008

He kept awkwardly reinserting himself into the conversation but it was clear the group identified him as nothing more than a loblolly interloper.
by MD girl 5 November 25, 2013

by Weird big nick from IT October 31, 2003

Alien Interloper is Known for Their Humor and Characters Like Melay, Dexter, Scroopy The Mouse and Many Many More.
by SeatOG January 02, 2020

The subtle or persistent act of intruding into someone’s life, especially through digital means, without invitation—often after they’ve made it clear the door is closed. Can involve passive surveillance, algorithmic nudging, or emotional reentry. Not quite stalking, but definitely unwelcome.
No matter how many times I remove certain profiles, they keep showing up in my feed. It’s like the algorithm is committed to pure interlopation.
by mezcant June 04, 2025
