v. & n.
v.tr. 1 colloq. fling or throw carelessly or with indifference. 2 colloq. (often foll. by in, up) give up; reject (chucked in my job). 3 touch playfully, esp. under the chin.
n. a playful touch under the chin. the chuck sl. dismissal (he got the chuck). chucker-out colloq. a person employed to expel troublesome people from a gathering etc. chuck it sl. stop, desist. chuck out colloq. 1 expel (a person) from a gathering etc. 2 get rid of, discard.
[ 16th c., perh. f. F chuquer, choquer to knock ]