1) Becomes furious 2) Boils 3) Boils with anger 4) Builds up anger 5) Burns 6) Churns with agitation 7) Does a slow burn 8) Foams and churns 9) Gets hotter 10) Gets really mad 11) Is angry 12) Is displeased and then some 13) Is fit to be tied 14) Is irate 15) Is more than displeased 16) Is ready to blow 1) Boils 2) Burns 3) Stews