Possible Clues:

• Measure of clue I found revolting
• Complaint one twit receives over a bit of a pint
• I found clue confused a small amount
• 'Just a little fling', disgusted, dishabille guide admitted
• Two tablespoons
• In illness, one poor student swallowing at first only a little liquid
• Having illness, one ignorant man drinks nothing — not even this?
• Volume equal to 1.805 cubic inches
• After illness, one blockhead drinks nothing, not even this much?
• One twentieth of an imperial pint