1 definition by Jackee C.

A thing, situation, or person that both sucks and blows (i.e., REALLY sucks). Named after the shop-vac vacuum cleaner, which can be set to either draw air in or push it out.
"I hate my job, my boss is a total shop-vac."

"You had to eat tofu hotdogs because she's a vegan? What a shop-vac!"
by Jackee C. June 19, 2008