The term 'boisterously macho' can be described by the crossword solutions of laddish, ROMP, ROISTER, and CAVORT. Laddish is an adjective used to describe a young man who is boisterous and overly masculine in his behavior. ROMP is a verb meaning to play or frolic in a lively manner. ROISTER is another verb meaning to engage in boisterous, drunken merrymaking. CAVORT is a verb meaning to move or behave in a lively, playful manner. ROMPS is a noun meaning a lively, noisy, or boisterous play or frolic. Together, these words provide a vivid description of someone who is boisterously macho.