did top of head (verb) improvise: make up
Sinonime: appear, belch, blow up, boil, break out,
burst, cast out, detonate,
discharge,
emit, eruct,
explode, extravasate, flare up, go off,
gush, hurl, jet, pour forth,
rupture,
spew, spit, spout, spurt, throw off, touch off,
vent,
vomitAntonime: design, devise,
plan, premeditate