the GNU version of the Collaborative International Dictionary of English
n. One who, or that which, plugs.
The Century Dictionary and Cyclopedia
n. One who or that which plugs; specifically, a dentists' instrument, of various forms, for driving and packing a filling material into a hole in a carious tooth. See dental hammer, under hammer.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone who is an active supporter and advocate
Word Usage
"Poutine is french fries with gravy and cheese curds on top (a real vein plugger!)."