all fours barbouillage beat about bore burrow clamber crawl crawling creep creeping delve dig dig out dike doodle dredge drill drive excavate feel around feel for fumble furrow go on tiptoe gouge gouge out grabble groove grope grope for grovel grub gumshoe gumshoeing hen scratches hen tracks inch inch along lower mine nightwalk nightwalking pad padding pattes de mouche poke around pothookery pothooks pothooks and hangers prowl prowling pry around pussyfoot pussyfooting quarry sap scoop scoop out scramble scrape scratch scrawl scribble scribbling shovel sidle sidling sink slink slinking snake snaking sneak sneaking spade squiggle steal steal along stealing tippytoe tiptoe tiptoeing trench trough tunnel worm worm along worming