full-blown stallone, n. — Green’s Dictionary of Slang

full-blown stallone n.

[rhy. sl. = bone n.¹ (1d); ult. US film star Sylvester Stallone (b.1946), known for his macho ‘hard’ roles]

an erection.

2003

review of Man Academy 2 at www.gayvideodad.com 24 Apr. 🌐 Logan is youthful, with a pale armor of tightly packed muscles as he bounces his jocked ass on Masters’ full-blown Stallone.