Fight-sport lines hit fast and commit fully — hesitation kills them the same way it does in the cage. Knockouts, submissions, ground game: the vocabulary is aggressive by nature, which is why these work best with people who train and can hear "I'd let you take my back" in the spirit intended.
Gyms after class, fight nights and watch parties are the venues. Aim these at someone who doesn't know the sport and you are just describing violence.
Fight people respect commitment above all, and that includes commitment to a bit — a fully-delivered grappling pun earns more respect at the gym than a hedged compliment ever will. Post-training, when everyone is exhausted and euphoric, is the golden window; fight-night watch parties are a close second.
The combat-adjacent world offers more: gym lines for the strength-and-conditioning crowd, basketball and football for team-sport energy, and poker lines for fights that happen sitting down.

