philander

verbs

have amorous affairs; of men
"He has been womanizing for years"
philander, womanise, womanize
is derived from
philanderer
talk or behave amorously, without serious intentions
"The guys always try to chat up the new secretaries"; "My husband never flirts with other women"
butterfly, chat up, coquet, coquette, dally, flirt, mash, philander, romance