To party without restraint. / To act freely. / (intransitive) To open fire.

(idiomatic, often pluralized) The practice or characteristic of being overly talkative, especially with respect to inadvertently revealing information which is private or confidential.

plural of loose lip

(chiefly UK) Idle; bored

In a loose-handed manner.

The quality or state of being loose-handed.

With open hand (as opposed to a fist). / Characterized by broad sweeping movements. / Casual; undisciplined or haphazard. / Lenient, permissive. / Spendthrift, profligate. / Aimless

With a poor grip.

(computing) Synonym of weakly-typed

(slang) A state of insanity or eccentricity. / (slang, archaic) A state of enmity or disagreement.