| snowball(piggyback, upsurging, tripling) |
| soup up(expression, goose, piggyback, overdrawn, upsurging) |
| souped up(expression, goose, piggyback, overdrawn, upsurging) |
| space(increase, development, spread, growth, extension) |
| sped up(expression, piggyback, upsurging, tripling) |
| speed up(expression, piggyback, upsurging, tripling) |
| speeded up(expression, piggyback, upsurging, tripling) |
| speeding up(expression, piggyback, upsurging, tripling) |
| spread(increase, development, growth) |
| spread out(expression, goose, piggyback, overdrawn, upsurging) |
| spreading out(expression, increase, development, growth, goose) |
| stack up(expression, piggyback, upsurging, tripling) |
| stacking up(expression, piggyback, upsurging, tripling) |
| stretch out(expression, goose, piggyback, overdrawn, upsurging) |
| stretched out(expression, goose, piggyback, overdrawn, upsurging) |
| swelling(increase, development, growth, extension, inflation) |
| tack on(expression, goose, piggyback, overdrawn, upsurging) |
| tripling(piggyback, upsurging) |
| unfurling(increase, development, spread, growth, extension) |
| upsurge(piggyback, upsurging, tripling) |