Definition of grass on/upBritish slang
- He refused to grass on his friends.
- Someone grassed him up.
: herbage suitable or used for grazing animals
: any of a large family (Gramineae synonym Poaceae) of monocotyledonous mostly herbaceous plants with jointed stems, slender sheathing leaves, and flowers borne in spikelets of bracts
: land (such as a lawn or a turf racetrack) covered with growing grass
: to feed (livestock) on grass sometimes without grain or other concentrates
: to cover with grass
: to produce grass
: in or into a higher position or level
: from beneath the ground or water to the surface
: from below the horizon
: risen above the horizon
: being out of bed
used as a function word to indicate motion to or toward or situation at a higher point of
: up into or in the
: in a direction regarded as being toward or near the upper end or part of
: one in a high or advantageous position
: an upward slope
: a period or state of prosperity or success
: to rise from a lying or sitting position
: to move upward : ascend
used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated
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