To thrust ones self in

from The Collaborative International Dictionary of English v.0.48
Thrust \Thrust\, v. t. [imp. & p. p. {Thrust}; p. pr. & vb. n.
   {Thrusting}.] [OE. ?rusten, ?risten, ?resten, Icel. ?r?st? to
   thrust, press, force, compel; perhaps akin to E. threat.]
   1. To push or drive with force; to drive, force, or impel; to
      shove; as, to thrust anything with the hand or foot, or
      with an instrument.
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            Into a dungeon thrust, to work with slaves.
                                                  --Milton.
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   2. To stab; to pierce; -- usually with through.
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   {To thrust away} or {To thrust from}, to push away; to
      reject.

   {To thrust in}, to push or drive in.

   {To thrust off}, to push away.

   {To thrust on}, to impel; to urge.

   {To thrust one's self in} or {To thrust one's self into}, to
      obtrude upon, to intrude, as into a room; to enter (a
      place) where one is not invited or not welcome.

   {To thrust out}, to drive out or away; to expel.

   {To thrust through}, to pierce; to stab. "I am eight times
      thrust through the doublet." --Shak.

   {To thrust together}, to compress.
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