THESAURUS
holus bolus
a corps perdu, carelessly, desperately, furiously, happen what may, hastily, head over heels, headfirst, headforemost, headlong, heedlessly, heels over head, helter-skelter, hotheadedly, hurriedly, hurry-scurry, impetuously, like crazy, like mad, madly, overeagerly, overenthusiastically, overzealously, precipitantly, precipitately, precipitously, ramble-scramble, recklessly, slam-bang, slap-bang, slapdash, wantonly, wildly
