suckable

From suck +‎ -able.

suckable (comparative more suckable, superlative most suckable)

Capable of, or suitable for, being sucked.
- 2009, Ken Smith, Spunky Sailor:
  His cock began growing—six, seven... eight-and-a- half and still rising—bloody hell ten incredible inches of superb and suckable cock snaking invitingly down the leg of his breeches.
- 2005, Sandra Smidt, Observing, assessing and planning for children in the early years:
  The child tries things over and over again to work out things like 'What things are suckable' and then works out categories of suckable and non-suckable things.

English