An alternative word pronounced (Ah-mow), also known as Old Mother Winter, is a unique name for Grandma. As we all know how much many grandmas love their grandchildren, this is also a shortened version of 'on my way!' as many devoted Omw are ready to help whenever they are called.
an acronym for the popular phrase; "On My Way To Fuck Your Bitch." This condensed acronym version is often used as a tag on pictures concerning spontaneous and often whimsical forms of motion and transport.
Bill: Dude this fat guy's on a slip&slide ripping down a hill
Dale: LMFAO DUDE, post and tag it OMWTFYB