fold up

Verb	1.	fold up - bend or lay so that one part covers the other; "fold up the newspaper"; "turn up your collar" Synonyms: fold, turn up
	2.	fold up - become folded or folded up; "The bed folds in a jiffy" Synonyms: fold

change surface, collapse, corrugate, crease, crimp, crinkle, crisp, cross, fold, furrow, pinch, pleat, plicate, ruckle, ruffle, scrunch, scrunch up, tuck, turn up, wrinkle