like mad
• with great intensity, energy, or enthusiasm.
• "I ran like mad"
Similar:
fast,
furiously,
as fast as possible,
hurriedly,
quickly,
rapidly,
speedily,
hastily,
energetically,
enthusiastically,
madly,
with a will,
for all one is worth,
passionately,
intensely,
ardently,
fervently,
like crazy,
hammer and tongs,
like billy-o,
