Alternative form of sink one's teeth into

Acting with an undue opinion of one's own importance or abilities. / Acting without inhibition due to high spirits.

(travel, UK, Ireland) A package holiday price that includes hotel accommodation, with the passenger not being advised of the hotel's name or location until arrival at the resort.

At some time in the future; subsequently; later.

(travel, UK, Ireland, dated) A package holiday rate without confirmed accommodation reservations, or using a dummy reservation, enabling the tour operator to sell charter airline seats in competition with the airlines.

Alternative form of cover one's bases

Improper, immoral behavior / Irritating or self-indulgent behavior

Alternative form of put one over

(idiomatic) To focus excessively on one's plans or on prospective future events without paying adequate attention to the present.

(idiomatic) To be knowledgeable about, and competent at, a particular subject or task.