A sexually aggressive older man. Male version of a Cougar.
“Some Thundercat was hitting on my girl last night. Old creep better watch himself.”
Some who for some reason thinks that they are slick when they do something they know isn't legendary but do it anyway.
Are you going to slide down the slide with no water thundercat
A cougar in a muscle car
Hey bro! This thundercat just rolled up in a Shelby cobra