butt into

noun

1. the thick end of anything, as of a whip handle, rifle stock, etc.
2. the remaining end of anything; stub; stump; specif., the stub of a smoked cigarette or cigar
3. 1. a mound of earth, bales of straw, etc. behind a target, for receiving fired rounds or shot arrows
   2. a target
   3. a target range
4. a hole in the ground used as a blind by hunters of fowl
5. an object of ridicule or criticism
6. Slang a cigarette
7. Informal the buttocks
8. Obsolete
   1. a limit
   2. a goal
9. Tanning the part of a hide or pelt that covered the animal's backside

transitive verb, intransitive verb