Top definition
A fake but funny-sounding attempt to use heavy as a noun ("heaviness" would be standard.)
From 1977 Academy Award winning film ANNIE HALL, screenplay Woody Allen and Marshall Brickman:

Alvy Singer (Woody Allen) to girlfriend re rock concert:

"Was it heavy? Did it achieve . . . um, heavyosity?"
by al-in-chgo March 07, 2010
Get the mug
Get a heavyosity mug for your Facebook friend GΓΌnter.
Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
Get the merch
Get the jabbed neck gaiter and mug.