riedha ħobla u tredda'

Etymology
lit. 'to want her pregnant while she’s breastfeeding'. In reality, the two are not mutually exclusive, though the chances of conception during a period of active breastfeeding are indeed very low.

Verb

 * 1)  to (want to) have one's cake and eat it too

Usage notes

 * Though the saying does not appear to be particularly vulgar, it may nevertheless be advisable to use it with caution.