v. To roam about for pleasure without any definite plan.
v. To flirt, to romance.
the GNU version of the Collaborative International Dictionary of English
verb-intransitive. To play the beau; to wait upon the ladies; also, to roam about for pleasure without any definite plan.
The Century Dictionary and Cyclopedia
To gad about; spend time frivolously or in pleasure-seeking, especially with the opposite sex.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. wander aimlessly in search of pleasure
Word Usage
"Helen writes from Athens, a propos the prospect of looking after her father for a couple of days next summer while I gallivant about: No prob at all."