ELEVADER /ELL eh VAYD urr/ noun: A witless dolt who invades a full elevator as the doors close, then typically selects a floor that’s lower than yours to further delay your arrival at work.

Usage: I was all set to be on time for my morning meeting, but this elevader sprinted through the lobby and jammed his foot in the doors, forcing them to reopen. I stared at the back of his head until I’d successfully singed his hair.