| somersaulting |
| spanking(summary, abrupt, rapid, unexpected, instant) |
| sped up(verb, expression, rush, speed, fly) |
| speed up(verb, expression, act, rush, speed) |
| speedball(summary, abrupt, showy, rapid, unexpected) |
| speeded up(verb, expression, rush, speed, fly) |
| speeding up(verb, expression, rush, speed, fly) |
| speedy(summary, abrupt, rapid, unexpected, instant) |
| step on gas(verb, expression, idiom, act, rush) |
| step on it(verb, expression, idiom, rush, speed) |
| sudden(summary, abrupt, rapid, unexpected, instant) |
| tubing |
| tuning |
| turn on steam(verb, expression, idiom, act, rush) |
| unexpected(summary, abrupt, rapid, instant, sudden) |
| very fast(expression, summary, abrupt, unexpected, instant) |
| whish(verb, act, rush, speed, fly) |
| apply oneself(verb, expression, rush, race, bestir) |
| be conscientious(verb, rush, race, bestir, whish) |
| dash(verb, pass, rush, shoot, race) |