My Feet
Tengu's hands gripped his armrests firmly, claws flexing out of his fingers to grip at the reinforced padding.
With Every Black Cloud....(Storm part 2)
The general felt his energy back and he felt strong as he started to flex his muscles, feeling the power inside his voluntary transformation. the air seemed warmer now.
Bear And Dog
With a deep breath, he flexed his muscles and showed a slight bump on his arm from the flex. dustin flexed a few times before just for fun, but he could never hold it for very long. as he held this flex though, he felt a sense of pride and enjoyment.
Envious Gains
Constantly flexing and posing in front of him while he was in the middle of his workouts and demanding more of him. yells of "don't you want arms like these?!"
Meet the Guardians: The Celestial Jester
Jestro's biceps are like bulked up stones on his body, about the size of his head when flexed. his pecs a shelf of muscle and fur that almost casts a shadow below on, making a nifty shady spot for somebody on the shorter side.
Grow-tion
His biceps surged when he flexed them, forming a mighty peak the likes of which he would only see on professional bodybuilders.
The Allure of Getting Big [PTRN][RWD]
Every inadvertent flex bunched up his biceps as they grew to the size of baseballs before shooting right past the mark entirely. heh, every swing that he hit would be a guaranteed homer if he played now.
Guardian Tails Backstory: Paul and Benjamin, Mercenary Duo
I growl and flex my arm muscles in front of him. he raised an eyebrow and stared at me. then, to my surprise, he imitated me. he flexed his arms, matching my pose. "huh? you aren't scared?" he shook his head.
From Bad to Worse
He flexed his toes anxiously before he gathered his wits to respond. "...not great..." as the words left his lips, the cheery demeanor both sisters had slowly died out.
Buzzwole's Massive Gains
The dozens of humans huddled inside screamed in panic and fear as a hole the size of the roof appeared amongst their midst, flexing to reveal the fleshy portal inside.
Sinking Offer (Otherwise Untitled)
~ the approaching lakebed had a stillness to it, as detective clip flexed her shoulders and back to try and get a hand free of the cuffs that were holding them to her ankles behind her back.
Protag to Buff Otter TF
(essentially, an affectionate version of assimilation themed tf) i watched as the beefy otter guy in front of me bounced his huge pecs and casually flexed his massive biceps, his boulder shoulders rolling mightily when he shrugged, unsure what exactly what