"Oh god...fuck--" That command triggered something in him Billy didn't know was even possible, climax violently overtaking him all at once. All without a single hand. He didn't doubt in that moment Bucky coax that reaction out of him without any touch at all if he wanted, though god only knew if he could survive that.

As it was, it took his breath away, spurting multiple stripes as the feeling stretched out, leaving his knees weak.

"Th-thank you- fuck- thank you," he panted.