mack on (one)(redirected from mack on)
mack on (one)
slang To attempt to seduce or sexually proposition one. Look at John trying to mack on that woman at the bar—he's at least twice her age! I asked Jeff if he wants to come play soccer with us, but all he wants to do is go mack on girls at the mall.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.