• fets down cold,
• vets down cold,
• bets down cold,
• hets down cold,
• yets down cold,
• tets down cold,
• gwts down cold,
• gsts down cold,
• gdts down cold,
• grts down cold,
• g4ts down cold,
• g3ts down cold,
• gers down cold,
• gefs down cold,
• gegs down cold,
• geys down cold,
• ge6s down cold,
• ge5s down cold,
• geta down cold,
• getz down cold

The adverb for the phrase "gets down cold" could be "thoroughly" or "completely".