An act which fuses the raw power of the pelvic thrust with universal symbolism of the high five. In effect, two males, usually Bros will pelvic thrust at one another, making their shafts collide in a meaty power-clap. It should be noted that as balls are not touching, the Low One is acceptably straight.
The reverse of one-upmanship, one-lowmanship is practice of successively outdoing a competitor by spending less, having less, or doing less. Originated on Offbeat Bride to describe the indie-er than thou, DIY-er than thou, lower-budget than thou attitude that nontraditional brides can sometimes slip into.
Then she said, "You call THAT a low budgetwedding? My wedding budget was $15, and we managed to feed 115 guests." It was totally one-lowmanship.