The noun mash has 2 senses (no senses from tagged texts)
1. mash -- (a mixture of mashed malt grains and hot water; used in brewing)
2. mash -- (mixture of ground animal feeds)
Overview of verb mash
The verb mash has 3 senses (first 1 from tagged texts)
1. (1) squash, crush, squelch, mash, squeeze -- (to compress with violence, out of natural shape or condition; "crush an aluminum can"; "squeeze a lemon")
2. chat up, flirt, dally, butterfly, coquet, coquette, romance, philander, mash -- (talk or behave amorously, without serious intentions; "The guys always try to chat up the new secretaries"; "My husband never flirts with other women")
3. grind, mash, crunch, bray, comminute -- (reduce to small pieces or particles by pounding or abrading; "grind the spices in a mortar"; "mash the garlic")