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 05, 2007
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 June 22, 2007
An interloper is someone from country A, normally of different race than the inhabitants of Country B, who then immigrates into Country B and breeds with everyone, normally producing a coffee coloured population.
Christ, look at those Turkish interlopers. I don't want my childrens children to have hooked noses! Why can't they live in their own country!
by THe Holy Nazi March 03, 2005
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