Wiktionary
hook up
vb. 1 (context transitive English) To assemble the parts of a mechanism, especially by connecting wires. 2 (context transitive English) To connect to something like a power supply or a signal source.
WordNet
hook up
v. connect or link; "hook up the houses to the gas supply line"; "Hook up the components of the new sound system"
Wikipedia
Hook Up
"Hook Up" is a collaborative single by the artists signed under New Zealand record label Dawn Raid Entertainment under the name Dawn Raid All-Stars released in 2004.
The premise of the single was also to promote Boost Mobile and has been used as the background music for their advertisements.
Usage examples of "hook up".
As a last resort at communication before turning tail to flee, I held the pirate hook up in front of my noisy heart.