(n.) A little hillock of earth thrown up by moles working under ground; hence, a very small hill, or an insignificant obstacle or difficulty.

a continental a curse a damn a darn a hoot anthill bagatelle bank barrow bauble bean bibelot bit brae brass farthing butte button cent cock curio down drift drumlin dune embankment farce farthing feather fell fig fleabite folderol foothills fribble frippery gaud gewgaw gimcrack hair halfpenny haycock haymow hayrick haystack heap hill hill of beans hillock hummock jest joke kickshaw knickknack knickknackery knob knoll minikin mockery monticle monticule moor mound mow peppercorn picayune pile pin pinch of snuff pinprick pyramid rap red cent rick row of pins rush sand dune shit snap sneeshing snowdrift sou stack straw swell toy trifle trinket triviality tuppence two cents twopence whim-wham