let loose

Verb	1.	let loose - express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand" Synonyms: let out, utter, emit
	2.	let loose - turn loose or free from restraint; "let loose mines"; "Loose terrible plagues upon humanity" Synonyms: loose, unleash

let go, let go of, loose, release, relinquish, unleash