Gallivant (gal-uh-vant, gal-uh-vant) (Verb)
1. To wander about, seeking pleasure or diversion;
2. To go about with members of the opposite sex.
“It is not prudent for the children to go gallivanting through the woods at night.”
Asthenic (as-then-ik) (Adjective)
1. Weak.
2. Having a slight build or slender body structure.
“Tch, tch," DeCastros said, "Can anyone really be so asthenic as you seem, Mr. Wordsley?”
http://www.mindtree.com/email/disclaimer.html