Best definition
To be struck forcibly about the head, neck and chest area by a person or object, and/or to be verbally

accosted in a fearsome and demeaning manner. It is nearly impossible to be waylay’d and remain standing.

“Touch my beer, and you’re ass is gonna get waylay’d”
Waylay: define #2
Way Lay
To be a strong motherfucker, and pushing someone into next week.
“I way layed that mother fucker.”
Waylay: define #3
To play a guitar very quickly and heavily
Man did you here him waylaying on that guitar?! it was sick!