unbelt your trousers.    From Wordnet, Princeton University. 

Verb (used with object) : to unbelt a sword.    From Dictionary.com. 

Elucidate forthwith, Benny -- in the vernacular, unbelt.    From Wordnik.com.  [White Ashes] Reference

"You may now unbelt the hands of the Lady Tutina, " I said to Louise.    From Wordnik.com.  [Mercenaries Of Gor]

He began to unbelt his wherhide jacket before he released the riding strap and noticed that Menolly was as quick to strip helmet, gloves and jacket.    From Wordnik.com.  [Dragon Drums]

I could smell the musky scent of him that made me want to pull him from his thoughts into the border, unbelt him and let the plaid fall from his shoulders, pull down my bodice and press my breasts against him, take him down half-naked and wholly roused among the damp green plants, and force him from his thoughts to mine.    From Wordnik.com.  [Drums of Autumn]

“It may be unpleasant for you to make him unbelt, but you’re a coward if you don’t!.    From Wordnik.com.  [The Fighting Chance] Reference

So they had to invent one excuse after another to keep Aunt Elvira from seein 'him, all the while givin' her tales about how he was soon to break into the divinity school; hoping, of course, that Aunty would get tired of waitin 'and begin to unbelt.    From Wordnik.com.  [Odd Numbers Being Further Chronicles of Shorty McCabe] Reference

And I had to unbelt you to drag you out of there.    From Wordnik.com.  [I. O. U.] Reference

Come, ol 'green goods, unbelt, loosen up, be gin-rous.'.    From Wordnik.com.  [Observations By Mr. Dooley] Reference

(c) Explain the metaphors that lurk in "rush of hits to the outfield," "bakered," "unbelt," "in a hole," "straggled through.".    From Wordnik.com.  [Practical English Composition: Book II. For the Second Year of the High School] Reference