(third-person singular simple present hooks up, present participle hooking up, simple past and past participle hooked up)
- To assemble the parts of a mechanism, especially by connecting wires.
- To connect to something like a power supply or a signal source.
- (intransitive, slang, used with "with") To form an association (with) someone.
- (intransitive, slang, used with "with") To have a casual sexual experience with another person, usually without any future relationship intended.