'To make one's self scarce' definitions:

Definition of 'To make one's self scarce'

From: GCIDE

Scarce \Scarce\ (sk[^a]rs), a. [Compar. Scarcer (sk[^a]r"s[~e]r); superl. Scarcest.] [OE. scars, OF. escars, eschars, LL. scarpsus, excarpsus, for L. excerptus, p. p. of excerpere to pick out, and hence to contract, to shorten; ex (see Ex-) + carpere. See Carpet, and cf. Excerp.]
1. Not plentiful or abundant; in small quantity in proportion to the demand; not easily to be procured; rare; uncommon. [1913 Webster]
You tell him silver is scarcer now in England, and therefore risen one fifth in value. --Locke. [1913 Webster]
The scarcest of all is a Pescennius Niger on a medallion well preserved. --Addison. [1913 Webster]
2. Scantily supplied (with); deficient (in); -- with of. [Obs.] "A region scarce of prey." --Milton. [1913 Webster]
3. Sparing; frugal; parsimonious; stingy. [Obs.] "Too scarce ne too sparing." --Chaucer. [1913 Webster]
To make one's self scarce, to decamp; to depart. [Slang] [1913 Webster]
Syn: Rare; infrequent; deficient. See Rare. [1913 Webster] Scarce