ad-lib admix alloy amalgamate bat out bemingle blend botch bungle coalesce combine commingle commix compose compound concoct conglomerate cook up dash off do anyhow do by halves do carelessly do offhand emulsify extemporize fake fake up fudge up fuse hash homogenize immingle immix improvisate improvise integrate interblend interlace interlard intermingle intermix intertwine interweave jumble jury-rig knead knock off knock out knock together lash up make up merge mingle mingle-mangle mix mix up patch patch together patch up play by ear pound out rough out roughcast roughhew scramble scrap the plan shuffle slap up stir up strike off syncretize throw off toss off toss out toss together trifle with vamp whip up whomp up wing it work