cock block; INTERRUPTER
My best frind was about to have sex on his pingpong table, right before I barriered his ass!
by jacxko November 12, 2005
That person you always stand in back of that stops randomly or is really, really slow. Especially annoying if you're in a hurry or at school. Can be people or cars.
"OH MAH GOSH I'VE BEEN STUCK BEHIND THESE PEOPLE ALL THE WAY DOWN THE HALL. WHAT BARRIERS."
by glitterpuke March 16, 2010