tuck in Spanish

(transitive) To push into a snug position; to place somewhere safe, or handy, or somewhat hidden. [From 1580s.]

(ergative) To fit neatly.

(LGBTQ, of a drag queen, trans woman, etc.) To conceal one’s penis and testicles, as with a gaff or by fastening them down with adhesive tape.

(when playing scales on piano keys) To keep the thumb in position while moving the rest of the hand over it to continue playing keys that are outside the thumb.