Snyder's seat could turn out to be a heavyweight match, with a number of big names potentially lined up on the Democratic side.
Muhammad Ali “shocked the world” 50 years ago this week when he beat Sonny Liston to become the heavyweight champion of the world.
Furthermore, the LDP has lost many of its heavyweight politicians in recent years.
An important person; biggie: He's some sort of heavyweight in the rag trade (1890+)
High-overhead; baroque; code-intensive; featureful, but costly. Especially used of communication protocols, language designs, and any sort of implementation in which maximum generality and/or ease of implementation has been pushed at the expense of mundane considerations such as speed, memory use and startup time. Emacs is a heavyweight editor; X is an *extremely* heavyweight window system. This term isn't pejorative, but one hacker's heavyweight is another's elephantine and a third's monstrosity.
Opposite: "lightweight". Usage: now borders on technical especially in the compound "heavyweight process".