Every group or association, from a pair of lovers to a secret society however large, feels, at some time or other, the need to defend itself against outsiders, and therefore creates a slang designed to conceal its thoughts: and the greater the need for secrecy, the more extensive and complete is the slang!.] | fly flying ten 262 such as Acapulco gold. us 1972. fly off the handle to lose your temper to lose self-control us 1843. fly right to behave in a manner appropriate to the situation us 1984. fly the bean flag to be experiencing the bleed period of the menstrualcycle us 1954. fly the flag to appealagainst a conviction in hope of a reduced sentence Australia 1975. fly the kite to defraud to cheat especially by passing a fraudulent cheque or by obtaining and dishonouring a credit arrangement uk 1968. fly the mail to drive a truck very fast us 1961. fly the red flag to experience the bleed period of the menstrualcycle us 1954. fly the rod to gesture with the middle finger roughly conveying fuck you us 1968. fly without a licence of a male to have an undone trouser fly. Generally juvenile uk 1977 fly adjective 1 good pleasing fashionable. A term which has enjoyed three bursts of popularity - in the swing jazz era of the late 1930s the emergence of black exploitation films in the early 1970s and with the explosion of hip-hop culture in the 1980s us 1879. 2 cunning devious artful knowing. From Scottish dialect fly sly smart uk 1724. 3 cunningly discreet. A slight variation of the previous sense uk 2000. 4 in the youth trend for souped-up motor-scootering daring dangerous clever uk 2004. 5 aware of what is going on wise to criminalways Australia 1882. 6 unreliable dishonest trinidad and tobago 2003 flybait noun 1 an unattractive girl us 1947. 2 a corpse us 1992 fly baker fly bravo verb to experience the bleed period of the menstrualcycle. In the phonetic alphabet from 1941-56 baker was given for B from 1956 to date bravo is used in naval signalling to fly the flag representing B means I am taking on carrying or discharging dangerous goods a large red flag is flown us 1999 fly ball noun in handball a shot played off the front wall before it hits the ground us 1970 fly beer noun in the Maritime Provinces beer of potatoes and hop yeast and molasses or sugar and water Canada .
