build a fire under
Verb
Meaning
build a fire under (third-person singular simple present builds a fire under, present participle building a fire under, simple past and past participle built a fire under)
Alternative form of light a fire under
Verb
build a fire under (third-person singular simple present builds a fire under, present participle building a fire under, simple past and past participle built a fire under)
Alternative form of light a fire under