• Laugh in an affected, silly, or nervous manner; titter; give small bursts of half-suppressed laughter
• To laugh repeatedly in a quiet but uncontrolled and childish way, often at something silly or rude or when you are nervous:
• Stop that giggling at the back..
Medicine is :- adam. androc. bamb-a. bufo calc-s. cann-i. choc. cypra-eg. falco-pe. germ-met. hyosin. kali-f- lat-h. nat-m. neon stry-xyz.