Word: Workout.
Pairing: LeoRaph.
Warnings: Hinting at naughty stuff.
Raphael and workout was something you could rarely avoid saying together.
When he was frustrated, angry or just bored (in other words, always) he could be found abusing the poor dummy that Donatello was sure suffered from severe trauma, impersonal object or not. Of course, Don also knew there was three kinds of workout for the hothead;
The one mentioned, the sparring and the one where Donatello desperately wished he had soundproofed Leo's room.